What is the Greatest Common Factor of 42489 and 42502?

Greatest common factor (GCF) of 42489 and 42502 is 1.

GCF(42489,42502) = 1

We will now calculate the prime factors of 42489 and 42502, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42489 and 42502.

How to find the GCF of 42489 and 42502?

We will first find the prime factorization of 42489 and 42502. After we will calculate the factors of 42489 and 42502 and find the biggest common factor number .

Step-1: Prime Factorization of 42489

Prime factors of 42489 are 3, 4721. Prime factorization of 42489 in exponential form is:

42489 = 3² × 4721¹

Step-2: Prime Factorization of 42502

Prime factors of 42502 are 2, 79, 269. Prime factorization of 42502 in exponential form is:

42502 = 2¹ × 79¹ × 269¹

Step-3: Factors of 42489

List of positive integer factors of 42489 that divides 42489 without a remainder.

1, 3, 9, 4721, 14163

Step-4: Factors of 42502

List of positive integer factors of 42502 that divides 42489 without a remainder.

1, 2, 79, 158, 269, 538, 21251

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42489 and 42502. The biggest common factor number is the GCF number.
So the greatest common factor 42489 and 42502 is 1.

Also check out the Least Common Multiple of 42489 and 42502