What is the Greatest Common Factor of 23156 and 23172?

Greatest common factor (GCF) of 23156 and 23172 is 4.

GCF(23156,23172) = 4

We will now calculate the prime factors of 23156 and 23172, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23156 and 23172.

How to find the GCF of 23156 and 23172?

We will first find the prime factorization of 23156 and 23172. After we will calculate the factors of 23156 and 23172 and find the biggest common factor number .

Step-1: Prime Factorization of 23156

Prime factors of 23156 are 2, 7, 827. Prime factorization of 23156 in exponential form is:

23156 = 2² × 7¹ × 827¹

Step-2: Prime Factorization of 23172

Prime factors of 23172 are 2, 3, 1931. Prime factorization of 23172 in exponential form is:

23172 = 2² × 3¹ × 1931¹

Step-3: Factors of 23156

List of positive integer factors of 23156 that divides 23156 without a remainder.

1, 2, 4, 7, 14, 28, 827, 1654, 3308, 5789, 11578

Step-4: Factors of 23172

List of positive integer factors of 23172 that divides 23156 without a remainder.

1, 2, 3, 4, 6, 12, 1931, 3862, 5793, 7724, 11586

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23156 and 23172. The biggest common factor number is the GCF number.
So the greatest common factor 23156 and 23172 is 4.

Also check out the Least Common Multiple of 23156 and 23172