What is the Greatest Common Factor of 42520 and 42539?

Greatest common factor (GCF) of 42520 and 42539 is 1.

GCF(42520,42539) = 1

We will now calculate the prime factors of 42520 and 42539, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42520 and 42539.

How to find the GCF of 42520 and 42539?

We will first find the prime factorization of 42520 and 42539. After we will calculate the factors of 42520 and 42539 and find the biggest common factor number .

Step-1: Prime Factorization of 42520

Prime factors of 42520 are 2, 5, 1063. Prime factorization of 42520 in exponential form is:

42520 = 2³ × 5¹ × 1063¹

Step-2: Prime Factorization of 42539

Prime factors of 42539 are 7, 59, 103. Prime factorization of 42539 in exponential form is:

42539 = 7¹ × 59¹ × 103¹

Step-3: Factors of 42520

List of positive integer factors of 42520 that divides 42520 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1063, 2126, 4252, 5315, 8504, 10630, 21260

Step-4: Factors of 42539

List of positive integer factors of 42539 that divides 42520 without a remainder.

1, 7, 59, 103, 413, 721, 6077

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42520 and 42539. The biggest common factor number is the GCF number.
So the greatest common factor 42520 and 42539 is 1.

Also check out the Least Common Multiple of 42520 and 42539