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What is the highest common factor of 9?

Author

Penelope Carter

Updated on March 17, 2026

What is the highest common factor of 9?

Finding the Greatest Common Factor
Two NumbersFactorsGreatestCommon Factor
9 and 129: 1, 3, 9 12: 1, 2, 3, 4, 6, 123

Furthermore, what is the HCF of 9?

Factors of 9 = 1, 3 and 9. Therefore, common factor of 6 and 9 = 1 and 3. Highest common factor (H.C.F) of 6 and 9 = 3. Therefore, 3 is H.C.F.

Subsequently, question is, what is the highest common factor of 9 and 15? Greatest common factor (GCF) of 9 and 15 is 3. We will now calculate the prime factors of 9 and 15, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9 and 15.

In respect to this, what are the factors of 9?

Table of Factors and Multiples

FactorsMultiples
1, 7714
1, 2, 4, 8816
1, 3, 9918
1, 2, 5, 101020

How do I find the HCF of a number?

The highest common factor is found by multiplying all the factors which appear in both lists: So the HCF of 60 and 72 is 2 × 2 × 3 which is 12. The lowest common multiple is found by multiplying all the factors which appear in either list: So the LCM of 60 and 72 is 2 × 2 × 2 × 3 × 3 × 5 which is 360.

What is the HCF for 9 and 12?

We found the factors and prime factorization of 9 and 12. The biggest common factor number is the GCF number. So the greatest common factor 9 and 12 is 3.

What is the HCF of 15 and 30?

Example: What is the greatest common factor of 15 and 30? The common factors of 15 and 30 are 1, 3, 5, and 15. The greatest common factor is 15.

What is the HCF of 15?

Factors of 15 (Fifteen) = 1, 3, 5 and 15. Factors of 35 (Thirty five) = 1, 5, 7 and 35. Therefore, common factor of 15 (Fifteen) and 35 (Thirty five) = 1 and 5. Highest common factor (H.C.F) of 15 (Fifteen) and 35 (Thirty five) = 5.

What is the HCF of 9 and 10?

Detailed Answer:

The Greatest Common Factor (GCF) for 9 and 10, notation CGF(9,10), is 1.

What is the HCF of 2 and 4?

HCF or highest common factor is the factor of any two or more numbers, which are common among them. Sometimes, it is also called the greatest common factor (GCF) or greatest common divisor (GCD). For example, the HCF of 2 and 4 is 2, because 2 is the number which is common to both 2 and 4.

What is the HCF of 9&12?

The greatest common factor is the largest number that two numbers can both be divided by to yield a whole number. 93=3 and 123=4 . By making factor trees you can identify the largest common factors of two numbers. 9=3⋅3 and 12=2⋅2⋅3 , in this case the only common factor is 3 and therefore the greatest.

What is the HCF of 15 and 20?

5

What is the HCF of 4 and 8?

We found the factors and prime factorization of 4 and 8. The biggest common factor number is the GCF number. So the greatest common factor 4 and 8 is 4.

Does Number 9 have 4 factors?

The number 9 is a composite number because 9 can be divided by one, by itself and at least by 3. A composite number is an integer that can be divided by at least another natural number, besides itself and 1, without leaving a remainder (divided exactly). The factorization or decomposition of 9 = 32.

Is 9 a factor of the following?

Answer. Heya !! 9 is only the factor of (iii).

What is the factor of 10?

The factors of 10 are 1, 2, 5, and 10. You can also look at this the other way around: if you can multiply two whole numbers to create a third number, those two numbers are factors of the third. 2 x 5 = 10, so 2 and 5 are factors of 10.

What is number of factors?

Definition of Factors of a Number. The factors of a number are defined as the number which can be multiplied to get the original number. By multiplying two factors of a number, a product is obtained, which is equal to the original number.

What is the factor of 100?

Hence, we have obtained all the factors of 100. They are 1,2,4,5,10,20,25,50 and 100.

What are factors of 81?

1, 3, 9, 27, 81. The factors of 81 include all the negative numbers as well.

What number has exactly 9 factors?

Answer: 36 is the least whole number that has exactly 9 factors.

What can go into 9?

The first ten multiples of 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90. For the tens places, note that the number 9 can be thought of as 0 tens and 9 ones so the tens place has a 0. The tens place of 18 is 1. Going through the list of multiples of 9, the tens digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

What is the factor of 21?

Factors of 21: 1, 3, 7, 21. Factors of 22: 1, 2, 11, 22. Factors of 23: 1, 23. Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24.

What is the GCF of 15 and 27?

What is the Greatest Common Factor of 15 and 27? Greatest common factor (GCF) of 15 and 27 is 3. We will now calculate the prime factors of 15 and 27, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15 and 27.

What is the GCF of 9 15 and 18?

As you can see when you list out the factors of each number, 3 is the greatest number that 9, 15, and 18 divides into.

It's also commonly known as:

  • Greatest Common Denominator (GCD)
  • Highest Common Factor (HCF)
  • Greatest Common Divisor (GCD)

What is the LCM of 3 15 and 9?

The LCM of 3, 9 and 15 is 45.

What is the GCF of 18 and 27?

Example: Find the GCF of 18 and 27

The factors of 27 are 1, 3, 9, 27. The common factors of 18 and 27 are 1, 3 and 9. The greatest common factor of 18 and 27 is 9.

What is the GCF of 11 19?

Greatest common factor (GCF) of 11 and 19 is 1. We will now calculate the prime factors of 11 and 19, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11 and 19.

What do 15 and 9 have in common?

Least Common Multiple of 9 and 15. Least Common Multiple (LCM) of 9 and 15 is 45.

What is the GCF of 2 and 9?

Greatest common factor (GCF) of 2 and 9 is 1. We will now calculate the prime factors of 2 and 9, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2 and 9.

What is the GCF of 20 24 and 40?

4

What is the HCF of 5 and 7?

gcf, hcf, gcd (5; 7) = 1: greatest (highest) common factor (divisor), calculated. Coprime numbers (relatively prime). Numbers have no common prime factors.

What is the HCF of 136 170 and 255?

17

What is the HCF of 20 and 30?

The numbers 20 and 30 have the factors 2 and 5 in common. Next, multiply the common factors to find the GCF. If there is only one common factor, there is no need to multiply. The GCF of 20 and 30 is 10.

What is the HCF of 16 and 24?

8

What is the HCF of 36 and 84?

12

What is the HCF of 16 and 48?

What is the highest common factor of 16 and 48? Factors of 16 are 1, 2, 4, 8 and 16. Factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24 and 48. So the highest common factor of 16 and 48 is 16.

What is the HCF of 18 and 24?

The biggest common factor number is the GCF number. So the greatest common factor 18 and 24 is 6.

What is the HCF of 2 and 3?

What is the Greatest Common Factor of 2 and 3? Greatest common factor (GCF) of 2 and 3 is 1. We will now calculate the prime factors of 2 and 3, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2 and 3.

What is the HCF of 12 and 16?

12 is divisible by all of these numbers. The factors for 16 are 1, 2, 4, 8, 16. The two numbers (12 and 16) share common factors (1, 2, 4). The greatest of these is 4 and that is the greatest common factor.

What is the LCM of 24 and 36?

The LCM of 24 and 36 is the smallest positive integer that divides the numbers 24 and 36 without a remainder. If you just want to know what is the least common multiple of 24 and 36, it is 72.

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What is the highest common factor of 9?