What is the Greatest Common Factor of 31388 and 31392?

Greatest common factor (GCF) of 31388 and 31392 is 4.

GCF(31388,31392) = 4

We will now calculate the prime factors of 31388 and 31392, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31388 and 31392.

How to find the GCF of 31388 and 31392?

We will first find the prime factorization of 31388 and 31392. After we will calculate the factors of 31388 and 31392 and find the biggest common factor number .

Step-1: Prime Factorization of 31388

Prime factors of 31388 are 2, 7, 19, 59. Prime factorization of 31388 in exponential form is:

31388 = 2² × 7¹ × 19¹ × 59¹

Step-2: Prime Factorization of 31392

Prime factors of 31392 are 2, 3, 109. Prime factorization of 31392 in exponential form is:

31392 = 2⁵ × 3² × 109¹

Step-3: Factors of 31388

List of positive integer factors of 31388 that divides 31388 without a remainder.

1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 826, 1121, 1652, 2242, 4484, 7847, 15694

Step-4: Factors of 31392

List of positive integer factors of 31392 that divides 31388 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 654, 872, 981, 1308, 1744, 1962, 2616, 3488, 3924, 5232, 7848, 10464, 15696

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31388 and 31392. The biggest common factor number is the GCF number.
So the greatest common factor 31388 and 31392 is 4.

Also check out the Least Common Multiple of 31388 and 31392