What is the Greatest Common Factor of 42915 and 42925?

Greatest common factor (GCF) of 42915 and 42925 is 5.

GCF(42915,42925) = 5

We will now calculate the prime factors of 42915 and 42925, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42915 and 42925.

How to find the GCF of 42915 and 42925?

We will first find the prime factorization of 42915 and 42925. After we will calculate the factors of 42915 and 42925 and find the biggest common factor number .

Step-1: Prime Factorization of 42915

Prime factors of 42915 are 3, 5, 2861. Prime factorization of 42915 in exponential form is:

42915 = 3¹ × 5¹ × 2861¹

Step-2: Prime Factorization of 42925

Prime factors of 42925 are 5, 17, 101. Prime factorization of 42925 in exponential form is:

42925 = 5² × 17¹ × 101¹

Step-3: Factors of 42915

List of positive integer factors of 42915 that divides 42915 without a remainder.

1, 3, 5, 15, 2861, 8583, 14305

Step-4: Factors of 42925

List of positive integer factors of 42925 that divides 42915 without a remainder.

1, 5, 17, 25, 85, 101, 425, 505, 1717, 2525, 8585

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42915 and 42925. The biggest common factor number is the GCF number.
So the greatest common factor 42915 and 42925 is 5.

Also check out the Least Common Multiple of 42915 and 42925