What is the Greatest Common Factor of 15925 and 15943?

Greatest common factor (GCF) of 15925 and 15943 is 1.

GCF(15925,15943) = 1

We will now calculate the prime factors of 15925 and 15943, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15925 and 15943.

How to find the GCF of 15925 and 15943?

We will first find the prime factorization of 15925 and 15943. After we will calculate the factors of 15925 and 15943 and find the biggest common factor number .

Step-1: Prime Factorization of 15925

Prime factors of 15925 are 5, 7, 13. Prime factorization of 15925 in exponential form is:

15925 = 5² × 7² × 13¹

Step-2: Prime Factorization of 15943

Prime factors of 15943 are 107, 149. Prime factorization of 15943 in exponential form is:

15943 = 107¹ × 149¹

Step-3: Factors of 15925

List of positive integer factors of 15925 that divides 15925 without a remainder.

1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 2275, 3185

Step-4: Factors of 15943

List of positive integer factors of 15943 that divides 15925 without a remainder.

1, 107, 149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15925 and 15943. The biggest common factor number is the GCF number.
So the greatest common factor 15925 and 15943 is 1.

Also check out the Least Common Multiple of 15925 and 15943