What is the Greatest Common Factor of 7557 and 7575?

Greatest common factor (GCF) of 7557 and 7575 is 3.

GCF(7557,7575) = 3

We will now calculate the prime factors of 7557 and 7575, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7557 and 7575.

How to find the GCF of 7557 and 7575?

We will first find the prime factorization of 7557 and 7575. After we will calculate the factors of 7557 and 7575 and find the biggest common factor number .

Step-1: Prime Factorization of 7557

Prime factors of 7557 are 3, 11, 229. Prime factorization of 7557 in exponential form is:

7557 = 3¹ × 11¹ × 229¹

Step-2: Prime Factorization of 7575

Prime factors of 7575 are 3, 5, 101. Prime factorization of 7575 in exponential form is:

7575 = 3¹ × 5² × 101¹

Step-3: Factors of 7557

List of positive integer factors of 7557 that divides 7557 without a remainder.

1, 3, 11, 33, 229, 687, 2519

Step-4: Factors of 7575

List of positive integer factors of 7575 that divides 7557 without a remainder.

1, 3, 5, 15, 25, 75, 101, 303, 505, 1515, 2525

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7557 and 7575. The biggest common factor number is the GCF number.
So the greatest common factor 7557 and 7575 is 3.

Also check out the Least Common Multiple of 7557 and 7575