What is the Greatest Common Factor of 13640 and 13655?

Greatest common factor (GCF) of 13640 and 13655 is 5.

GCF(13640,13655) = 5

We will now calculate the prime factors of 13640 and 13655, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13640 and 13655.

How to find the GCF of 13640 and 13655?

We will first find the prime factorization of 13640 and 13655. After we will calculate the factors of 13640 and 13655 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 13655

Prime factors of 13655 are 5, 2731. Prime factorization of 13655 in exponential form is:

13655 = 5¹ × 2731¹

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 13655

List of positive integer factors of 13655 that divides 13640 without a remainder.

1, 5, 2731

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13640 and 13655. The biggest common factor number is the GCF number.
So the greatest common factor 13640 and 13655 is 5.

Also check out the Least Common Multiple of 13640 and 13655