What is the Greatest Common Factor of 42959 and 42973?

Greatest common factor (GCF) of 42959 and 42973 is 7.

GCF(42959,42973) = 7

We will now calculate the prime factors of 42959 and 42973, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42959 and 42973.

How to find the GCF of 42959 and 42973?

We will first find the prime factorization of 42959 and 42973. After we will calculate the factors of 42959 and 42973 and find the biggest common factor number .

Step-1: Prime Factorization of 42959

Prime factors of 42959 are 7, 17, 19. Prime factorization of 42959 in exponential form is:

42959 = 7¹ × 17¹ × 19²

Step-2: Prime Factorization of 42973

Prime factors of 42973 are 7, 877. Prime factorization of 42973 in exponential form is:

42973 = 7² × 877¹

Step-3: Factors of 42959

List of positive integer factors of 42959 that divides 42959 without a remainder.

1, 7, 17, 19, 119, 133, 323, 361, 2261, 2527, 6137

Step-4: Factors of 42973

List of positive integer factors of 42973 that divides 42959 without a remainder.

1, 7, 49, 877, 6139

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42959 and 42973. The biggest common factor number is the GCF number.
So the greatest common factor 42959 and 42973 is 7.

Also check out the Least Common Multiple of 42959 and 42973