GCF and LCM Calculator Logo

What is the Greatest Common Factor of 12457 and 12475?

Greatest common factor (GCF) of 12457 and 12475 is 1.

GCF(12457,12475) = 1

We will now calculate the prime factors of 12457 and 12475, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12457 and 12475.

GCF Calculator and
and

How to find the GCF of 12457 and 12475?

We will first find the prime factorization of 12457 and 12475. After we will calculate the factors of 12457 and 12475 and find the biggest common factor number .

Step-1: Prime Factorization of 12457

Prime factors of 12457 are 12457. Prime factorization of 12457 in exponential form is:

12457 = 124571

Step-2: Prime Factorization of 12475

Prime factors of 12475 are 5, 499. Prime factorization of 12475 in exponential form is:

12475 = 52 × 4991

Step-3: Factors of 12457

List of positive integer factors of 12457 that divides 12457 without a remainder.

1

Step-4: Factors of 12475

List of positive integer factors of 12475 that divides 12457 without a remainder.

1, 5, 25, 499, 2495

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12457 and 12475. The biggest common factor number is the GCF number.
So the greatest common factor 12457 and 12475 is 1.

Also check out the Least Common Multiple of 12457 and 12475