What is the Greatest Common Factor of 42605 and 42613?

Greatest common factor (GCF) of 42605 and 42613 is 1.

GCF(42605,42613) = 1

We will now calculate the prime factors of 42605 and 42613, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42605 and 42613.

How to find the GCF of 42605 and 42613?

We will first find the prime factorization of 42605 and 42613. After we will calculate the factors of 42605 and 42613 and find the biggest common factor number .

Step-1: Prime Factorization of 42605

Prime factors of 42605 are 5, 8521. Prime factorization of 42605 in exponential form is:

42605 = 5¹ × 8521¹

Step-2: Prime Factorization of 42613

Prime factors of 42613 are 43, 991. Prime factorization of 42613 in exponential form is:

42613 = 43¹ × 991¹

Step-3: Factors of 42605

List of positive integer factors of 42605 that divides 42605 without a remainder.

1, 5, 8521

Step-4: Factors of 42613

List of positive integer factors of 42613 that divides 42605 without a remainder.

1, 43, 991

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42605 and 42613. The biggest common factor number is the GCF number.
So the greatest common factor 42605 and 42613 is 1.

Also check out the Least Common Multiple of 42605 and 42613