What is the Greatest Common Factor of 42509 and 42521?

Greatest common factor (GCF) of 42509 and 42521 is 1.

GCF(42509,42521) = 1

We will now calculate the prime factors of 42509 and 42521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42509 and 42521.

How to find the GCF of 42509 and 42521?

We will first find the prime factorization of 42509 and 42521. After we will calculate the factors of 42509 and 42521 and find the biggest common factor number .

Step-1: Prime Factorization of 42509

Prime factors of 42509 are 42509. Prime factorization of 42509 in exponential form is:

42509 = 42509¹

Step-2: Prime Factorization of 42521

Prime factors of 42521 are 101, 421. Prime factorization of 42521 in exponential form is:

42521 = 101¹ × 421¹

Step-3: Factors of 42509

List of positive integer factors of 42509 that divides 42509 without a remainder.

Step-4: Factors of 42521

List of positive integer factors of 42521 that divides 42509 without a remainder.

1, 101, 421

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42509 and 42521. The biggest common factor number is the GCF number.
So the greatest common factor 42509 and 42521 is 1.

Also check out the Least Common Multiple of 42509 and 42521