What is the Greatest Common Factor of 7643 and 7657?

Greatest common factor (GCF) of 7643 and 7657 is 1.

GCF(7643,7657) = 1

We will now calculate the prime factors of 7643 and 7657, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7643 and 7657.

How to find the GCF of 7643 and 7657?

We will first find the prime factorization of 7643 and 7657. After we will calculate the factors of 7643 and 7657 and find the biggest common factor number .

Step-1: Prime Factorization of 7643

Prime factors of 7643 are 7643. Prime factorization of 7643 in exponential form is:

7643 = 7643¹

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 7643

List of positive integer factors of 7643 that divides 7643 without a remainder.

Step-4: Factors of 7657

List of positive integer factors of 7657 that divides 7643 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7643 and 7657. The biggest common factor number is the GCF number.
So the greatest common factor 7643 and 7657 is 1.

Also check out the Least Common Multiple of 7643 and 7657