What is the Greatest Common Factor of 25957 and 25972?

Greatest common factor (GCF) of 25957 and 25972 is 1.

GCF(25957,25972) = 1

We will now calculate the prime factors of 25957 and 25972, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25957 and 25972.

How to find the GCF of 25957 and 25972?

We will first find the prime factorization of 25957 and 25972. After we will calculate the factors of 25957 and 25972 and find the biggest common factor number .

Step-1: Prime Factorization of 25957

Prime factors of 25957 are 101, 257. Prime factorization of 25957 in exponential form is:

25957 = 101¹ × 257¹

Step-2: Prime Factorization of 25972

Prime factors of 25972 are 2, 43, 151. Prime factorization of 25972 in exponential form is:

25972 = 2² × 43¹ × 151¹

Step-3: Factors of 25957

List of positive integer factors of 25957 that divides 25957 without a remainder.

1, 101, 257

Step-4: Factors of 25972

List of positive integer factors of 25972 that divides 25957 without a remainder.

1, 2, 4, 43, 86, 151, 172, 302, 604, 6493, 12986

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25957 and 25972. The biggest common factor number is the GCF number.
So the greatest common factor 25957 and 25972 is 1.

Also check out the Least Common Multiple of 25957 and 25972