What is the Greatest Common Factor of 42135 and 42145?

Greatest common factor (GCF) of 42135 and 42145 is 5.

GCF(42135,42145) = 5

We will now calculate the prime factors of 42135 and 42145, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42135 and 42145.

How to find the GCF of 42135 and 42145?

We will first find the prime factorization of 42135 and 42145. After we will calculate the factors of 42135 and 42145 and find the biggest common factor number .

Step-1: Prime Factorization of 42135

Prime factors of 42135 are 3, 5, 53. Prime factorization of 42135 in exponential form is:

42135 = 3¹ × 5¹ × 53²

Step-2: Prime Factorization of 42145

Prime factors of 42145 are 5, 8429. Prime factorization of 42145 in exponential form is:

42145 = 5¹ × 8429¹

Step-3: Factors of 42135

List of positive integer factors of 42135 that divides 42135 without a remainder.

1, 3, 5, 15, 53, 159, 265, 795, 2809, 8427, 14045

Step-4: Factors of 42145

List of positive integer factors of 42145 that divides 42135 without a remainder.

1, 5, 8429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42135 and 42145. The biggest common factor number is the GCF number.
So the greatest common factor 42135 and 42145 is 5.

Also check out the Least Common Multiple of 42135 and 42145