What is the Greatest Common Factor of 42015 and 42019?

Greatest common factor (GCF) of 42015 and 42019 is 1.

GCF(42015,42019) = 1

We will now calculate the prime factors of 42015 and 42019, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42015 and 42019.

How to find the GCF of 42015 and 42019?

We will first find the prime factorization of 42015 and 42019. After we will calculate the factors of 42015 and 42019 and find the biggest common factor number .

Step-1: Prime Factorization of 42015

Prime factors of 42015 are 3, 5, 2801. Prime factorization of 42015 in exponential form is:

42015 = 3¹ × 5¹ × 2801¹

Step-2: Prime Factorization of 42019

Prime factors of 42019 are 42019. Prime factorization of 42019 in exponential form is:

42019 = 42019¹

Step-3: Factors of 42015

List of positive integer factors of 42015 that divides 42015 without a remainder.

1, 3, 5, 15, 2801, 8403, 14005

Step-4: Factors of 42019

List of positive integer factors of 42019 that divides 42015 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42015 and 42019. The biggest common factor number is the GCF number.
So the greatest common factor 42015 and 42019 is 1.

Also check out the Least Common Multiple of 42015 and 42019