What is the Greatest Common Factor of 7647 and 7657?

Greatest common factor (GCF) of 7647 and 7657 is 1.

GCF(7647,7657) = 1

We will now calculate the prime factors of 7647 and 7657, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7647 and 7657.

How to find the GCF of 7647 and 7657?

We will first find the prime factorization of 7647 and 7657. After we will calculate the factors of 7647 and 7657 and find the biggest common factor number .

Step-1: Prime Factorization of 7647

Prime factors of 7647 are 3, 2549. Prime factorization of 7647 in exponential form is:

7647 = 3¹ × 2549¹

Step-2: Prime Factorization of 7657

Prime factors of 7657 are 13, 19, 31. Prime factorization of 7657 in exponential form is:

7657 = 13¹ × 19¹ × 31¹

Step-3: Factors of 7647

List of positive integer factors of 7647 that divides 7647 without a remainder.

1, 3, 2549

Step-4: Factors of 7657

List of positive integer factors of 7657 that divides 7647 without a remainder.

1, 13, 19, 31, 247, 403, 589

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7647 and 7657. The biggest common factor number is the GCF number.
So the greatest common factor 7647 and 7657 is 1.

Also check out the Least Common Multiple of 7647 and 7657