What is the Greatest Common Factor of 84045 and 84057?

Greatest common factor (GCF) of 84045 and 84057 is 3.

GCF(84045,84057) = 3

We will now calculate the prime factors of 84045 and 84057, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84045 and 84057.

How to find the GCF of 84045 and 84057?

We will first find the prime factorization of 84045 and 84057. After we will calculate the factors of 84045 and 84057 and find the biggest common factor number .

Step-1: Prime Factorization of 84045

Prime factors of 84045 are 3, 5, 13, 431. Prime factorization of 84045 in exponential form is:

84045 = 3¹ × 5¹ × 13¹ × 431¹

Step-2: Prime Factorization of 84057

Prime factors of 84057 are 3, 28019. Prime factorization of 84057 in exponential form is:

84057 = 3¹ × 28019¹

Step-3: Factors of 84045

List of positive integer factors of 84045 that divides 84045 without a remainder.

1, 3, 5, 13, 15, 39, 65, 195, 431, 1293, 2155, 5603, 6465, 16809, 28015

Step-4: Factors of 84057

List of positive integer factors of 84057 that divides 84045 without a remainder.

1, 3, 28019

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84045 and 84057. The biggest common factor number is the GCF number.
So the greatest common factor 84045 and 84057 is 3.

Also check out the Least Common Multiple of 84045 and 84057