Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 16, 30 i.e. 2 largest integer by which both the numbers can be divided.

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Greatest common factor (GCF) of 16 and 30 is 2.

GCF(16,30) = 2


Prime Factorization of 16

2 16
2 8
2 4
2 2
1

Prime factors of 16 are 2. Prime factorization of 16 in exponential form is:

16 = 24Prime Factorization of 30

2 30
3 15
5 5
1

Prime factors of 30 are 2.Prime factorization of 30 in exponential form is:

30 = 21×31×51∴ So by taking common prime factors GCF of 16 and 30 is 2
Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30Greatest Common Factor

We found the factors and prime factorization of 16 and 30. The biggest common factor number is the GCF number. So the greatest common factor 16 and 30 is 2.

Also check out the Least Common Multiple of 16 and 30


1. What is the GCF of 16 and 30?

Answer: GCF of 16 and 30 is 2.

2. What are the Factors of 16?

Answer: Factors of 16 are 1, 2, 4, 8, 16. There are 5 integers that are factors of 16. The greatest factor of 16 is 16.

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3. What are the Factors of 30?

Answer: Factors of 30 are 1, 2, 3, 5, 6, 10, 15, 30. There are 8 integers that are factors of 30. The greatest factor of 30 is 30.

4. How to Find the GCF of 16 and 30?

Answer:

Greatest Common Factor of 16 and 30 = 2

Step 1: Find the prime factorization of 16

16 = 2 x 2 x 2 x 2

Step 2: Find the prime factorization of 30

30 = 2 x 3 x 5

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 2

Step 4: Therefore, the greatest common factor of 16 and 30 is 2


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