What is the Greatest Common Factor of 13640 and 13656?

Greatest common factor (GCF) of 13640 and 13656 is 8.

GCF(13640,13656) = 8

We will now calculate the prime factors of 13640 and 13656, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13640 and 13656.

How to find the GCF of 13640 and 13656?

We will first find the prime factorization of 13640 and 13656. After we will calculate the factors of 13640 and 13656 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 13656

Prime factors of 13656 are 2, 3, 569. Prime factorization of 13656 in exponential form is:

13656 = 2³ × 3¹ × 569¹

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 13656

List of positive integer factors of 13656 that divides 13640 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 569, 1138, 1707, 2276, 3414, 4552, 6828

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13640 and 13656. The biggest common factor number is the GCF number.
So the greatest common factor 13640 and 13656 is 8.

Also check out the Least Common Multiple of 13640 and 13656