What is the Greatest Common Factor of 42115 and 42130?

Greatest common factor (GCF) of 42115 and 42130 is 5.

GCF(42115,42130) = 5

We will now calculate the prime factors of 42115 and 42130, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42115 and 42130.

How to find the GCF of 42115 and 42130?

We will first find the prime factorization of 42115 and 42130. After we will calculate the factors of 42115 and 42130 and find the biggest common factor number .

Step-1: Prime Factorization of 42115

Prime factors of 42115 are 5, 8423. Prime factorization of 42115 in exponential form is:

42115 = 5¹ × 8423¹

Step-2: Prime Factorization of 42130

Prime factors of 42130 are 2, 5, 11, 383. Prime factorization of 42130 in exponential form is:

42130 = 2¹ × 5¹ × 11¹ × 383¹

Step-3: Factors of 42115

List of positive integer factors of 42115 that divides 42115 without a remainder.

1, 5, 8423

Step-4: Factors of 42130

List of positive integer factors of 42130 that divides 42115 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 383, 766, 1915, 3830, 4213, 8426, 21065

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42115 and 42130. The biggest common factor number is the GCF number.
So the greatest common factor 42115 and 42130 is 5.

Also check out the Least Common Multiple of 42115 and 42130