What is the Greatest Common Factor of 13640 and 13657?

Greatest common factor (GCF) of 13640 and 13657 is 1.

GCF(13640,13657) = 1

We will now calculate the prime factors of 13640 and 13657, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13640 and 13657.

How to find the GCF of 13640 and 13657?

We will first find the prime factorization of 13640 and 13657. After we will calculate the factors of 13640 and 13657 and find the biggest common factor number .

Step-1: Prime Factorization of 13640

Prime factors of 13640 are 2, 5, 11, 31. Prime factorization of 13640 in exponential form is:

13640 = 2³ × 5¹ × 11¹ × 31¹

Step-2: Prime Factorization of 13657

Prime factors of 13657 are 7, 1951. Prime factorization of 13657 in exponential form is:

13657 = 7¹ × 1951¹

Step-3: Factors of 13640

List of positive integer factors of 13640 that divides 13640 without a remainder.

1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820

Step-4: Factors of 13657

List of positive integer factors of 13657 that divides 13640 without a remainder.

1, 7, 1951

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13640 and 13657. The biggest common factor number is the GCF number.
So the greatest common factor 13640 and 13657 is 1.

Also check out the Least Common Multiple of 13640 and 13657