GCF and LCM Calculator Logo

What is the Greatest Common Factor of 39216 and 39228?

Greatest common factor (GCF) of 39216 and 39228 is 12.

GCF(39216,39228) = 12

We will now calculate the prime factors of 39216 and 39228, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39216 and 39228.

GCF Calculator and
and

How to find the GCF of 39216 and 39228?

We will first find the prime factorization of 39216 and 39228. After we will calculate the factors of 39216 and 39228 and find the biggest common factor number .

Step-1: Prime Factorization of 39216

Prime factors of 39216 are 2, 3, 19, 43. Prime factorization of 39216 in exponential form is:

39216 = 24 × 31 × 191 × 431

Step-2: Prime Factorization of 39228

Prime factors of 39228 are 2, 3, 7, 467. Prime factorization of 39228 in exponential form is:

39228 = 22 × 31 × 71 × 4671

Step-3: Factors of 39216

List of positive integer factors of 39216 that divides 39216 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 43, 48, 57, 76, 86, 114, 129, 152, 172, 228, 258, 304, 344, 456, 516, 688, 817, 912, 1032, 1634, 2064, 2451, 3268, 4902, 6536, 9804, 13072, 19608

Step-4: Factors of 39228

List of positive integer factors of 39228 that divides 39216 without a remainder.

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 467, 934, 1401, 1868, 2802, 3269, 5604, 6538, 9807, 13076, 19614

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39216 and 39228. The biggest common factor number is the GCF number.
So the greatest common factor 39216 and 39228 is 12.

Also check out the Least Common Multiple of 39216 and 39228