What is the Greatest Common Factor of 42516 and 42521?

Greatest common factor (GCF) of 42516 and 42521 is 1.

GCF(42516,42521) = 1

We will now calculate the prime factors of 42516 and 42521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42516 and 42521.

How to find the GCF of 42516 and 42521?

We will first find the prime factorization of 42516 and 42521. After we will calculate the factors of 42516 and 42521 and find the biggest common factor number .

Step-1: Prime Factorization of 42516

Prime factors of 42516 are 2, 3, 1181. Prime factorization of 42516 in exponential form is:

42516 = 2² × 3² × 1181¹

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 42516

List of positive integer factors of 42516 that divides 42516 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 1181, 2362, 3543, 4724, 7086, 10629, 14172, 21258

Step-4: Factors of 42521

List of positive integer factors of 42521 that divides 42516 without a remainder.

1, 101, 421

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42516 and 42521. The biggest common factor number is the GCF number.
So the greatest common factor 42516 and 42521 is 1.

Also check out the Least Common Multiple of 42516 and 42521