What is the Greatest Common Factor of 31124 and 31128?

Greatest common factor (GCF) of 31124 and 31128 is 4.

GCF(31124,31128) = 4

We will now calculate the prime factors of 31124 and 31128, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31124 and 31128.

How to find the GCF of 31124 and 31128?

We will first find the prime factorization of 31124 and 31128. After we will calculate the factors of 31124 and 31128 and find the biggest common factor number .

Step-1: Prime Factorization of 31124

Prime factors of 31124 are 2, 31, 251. Prime factorization of 31124 in exponential form is:

31124 = 2² × 31¹ × 251¹

Step-2: Prime Factorization of 31128

Prime factors of 31128 are 2, 3, 1297. Prime factorization of 31128 in exponential form is:

31128 = 2³ × 3¹ × 1297¹

Step-3: Factors of 31124

List of positive integer factors of 31124 that divides 31124 without a remainder.

1, 2, 4, 31, 62, 124, 251, 502, 1004, 7781, 15562

Step-4: Factors of 31128

List of positive integer factors of 31128 that divides 31124 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 1297, 2594, 3891, 5188, 7782, 10376, 15564

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31124 and 31128. The biggest common factor number is the GCF number.
So the greatest common factor 31124 and 31128 is 4.

Also check out the Least Common Multiple of 31124 and 31128