What is the Greatest Common Factor of 25957 and 25970?

Greatest common factor (GCF) of 25957 and 25970 is 1.

GCF(25957,25970) = 1

We will now calculate the prime factors of 25957 and 25970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25957 and 25970.

How to find the GCF of 25957 and 25970?

We will first find the prime factorization of 25957 and 25970. After we will calculate the factors of 25957 and 25970 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 25970

Prime factors of 25970 are 2, 5, 7, 53. Prime factorization of 25970 in exponential form is:

25970 = 2¹ × 5¹ × 7² × 53¹

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 25970

List of positive integer factors of 25970 that divides 25957 without a remainder.

1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 1855, 2597, 3710, 5194, 12985

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25957 and 25970. The biggest common factor number is the GCF number.
So the greatest common factor 25957 and 25970 is 1.

Also check out the Least Common Multiple of 25957 and 25970