What is the Greatest Common Factor of 75645 and 75657?

Greatest common factor (GCF) of 75645 and 75657 is 3.

GCF(75645,75657) = 3

We will now calculate the prime factors of 75645 and 75657, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75645 and 75657.

How to find the GCF of 75645 and 75657?

We will first find the prime factorization of 75645 and 75657. After we will calculate the factors of 75645 and 75657 and find the biggest common factor number .

Step-1: Prime Factorization of 75645

Prime factors of 75645 are 3, 5, 41. Prime factorization of 75645 in exponential form is:

75645 = 3² × 5¹ × 41²

Step-2: Prime Factorization of 75657

Prime factors of 75657 are 3, 25219. Prime factorization of 75657 in exponential form is:

75657 = 3¹ × 25219¹

Step-3: Factors of 75645

List of positive integer factors of 75645 that divides 75645 without a remainder.

1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1681, 1845, 5043, 8405, 15129, 25215

Step-4: Factors of 75657

List of positive integer factors of 75657 that divides 75645 without a remainder.

1, 3, 25219

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75645 and 75657. The biggest common factor number is the GCF number.
So the greatest common factor 75645 and 75657 is 3.

Also check out the Least Common Multiple of 75645 and 75657