What is the Greatest Common Factor of 42621 and 42628?

Greatest common factor (GCF) of 42621 and 42628 is 1.

GCF(42621,42628) = 1

We will now calculate the prime factors of 42621 and 42628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42621 and 42628.

How to find the GCF of 42621 and 42628?

We will first find the prime factorization of 42621 and 42628. After we will calculate the factors of 42621 and 42628 and find the biggest common factor number .

Step-1: Prime Factorization of 42621

Prime factors of 42621 are 3, 14207. Prime factorization of 42621 in exponential form is:

42621 = 3¹ × 14207¹

Step-2: Prime Factorization of 42628

Prime factors of 42628 are 2, 10657. Prime factorization of 42628 in exponential form is:

42628 = 2² × 10657¹

Step-3: Factors of 42621

List of positive integer factors of 42621 that divides 42621 without a remainder.

1, 3, 14207

Step-4: Factors of 42628

List of positive integer factors of 42628 that divides 42621 without a remainder.

1, 2, 4, 10657, 21314

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42621 and 42628. The biggest common factor number is the GCF number.
So the greatest common factor 42621 and 42628 is 1.

Also check out the Least Common Multiple of 42621 and 42628