What is the Greatest Common Factor of 10656 and 10661?

Greatest common factor (GCF) of 10656 and 10661 is 1.

GCF(10656,10661) = 1

We will now calculate the prime factors of 10656 and 10661, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10656 and 10661.

How to find the GCF of 10656 and 10661?

We will first find the prime factorization of 10656 and 10661. After we will calculate the factors of 10656 and 10661 and find the biggest common factor number .

Step-1: Prime Factorization of 10656

Prime factors of 10656 are 2, 3, 37. Prime factorization of 10656 in exponential form is:

10656 = 2⁵ × 3² × 37¹

Step-2: Prime Factorization of 10661

Prime factors of 10661 are 7, 1523. Prime factorization of 10661 in exponential form is:

10661 = 7¹ × 1523¹

Step-3: Factors of 10656

List of positive integer factors of 10656 that divides 10656 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2664, 3552, 5328

Step-4: Factors of 10661

List of positive integer factors of 10661 that divides 10656 without a remainder.

1, 7, 1523

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10656 and 10661. The biggest common factor number is the GCF number.
So the greatest common factor 10656 and 10661 is 1.

Also check out the Least Common Multiple of 10656 and 10661