What is the Greatest Common Factor of 42513 and 42531?

Greatest common factor (GCF) of 42513 and 42531 is 3.

GCF(42513,42531) = 3

We will now calculate the prime factors of 42513 and 42531, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42513 and 42531.

How to find the GCF of 42513 and 42531?

We will first find the prime factorization of 42513 and 42531. After we will calculate the factors of 42513 and 42531 and find the biggest common factor number .

Step-1: Prime Factorization of 42513

Prime factors of 42513 are 3, 37, 383. Prime factorization of 42513 in exponential form is:

42513 = 3¹ × 37¹ × 383¹

Step-2: Prime Factorization of 42531

Prime factors of 42531 are 3, 14177. Prime factorization of 42531 in exponential form is:

42531 = 3¹ × 14177¹

Step-3: Factors of 42513

List of positive integer factors of 42513 that divides 42513 without a remainder.

1, 3, 37, 111, 383, 1149, 14171

Step-4: Factors of 42531

List of positive integer factors of 42531 that divides 42513 without a remainder.

1, 3, 14177

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42513 and 42531. The biggest common factor number is the GCF number.
So the greatest common factor 42513 and 42531 is 3.

Also check out the Least Common Multiple of 42513 and 42531