What is the Greatest Common Factor of 40947 and 40956?

Greatest common factor (GCF) of 40947 and 40956 is 3.

GCF(40947,40956) = 3

We will now calculate the prime factors of 40947 and 40956, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40947 and 40956.

How to find the GCF of 40947 and 40956?

We will first find the prime factorization of 40947 and 40956. After we will calculate the factors of 40947 and 40956 and find the biggest common factor number .

Step-1: Prime Factorization of 40947

Prime factors of 40947 are 3, 13649. Prime factorization of 40947 in exponential form is:

40947 = 3¹ × 13649¹

Step-2: Prime Factorization of 40956

Prime factors of 40956 are 2, 3, 3413. Prime factorization of 40956 in exponential form is:

40956 = 2² × 3¹ × 3413¹

Step-3: Factors of 40947

List of positive integer factors of 40947 that divides 40947 without a remainder.

1, 3, 13649

Step-4: Factors of 40956

List of positive integer factors of 40956 that divides 40947 without a remainder.

1, 2, 3, 4, 6, 12, 3413, 6826, 10239, 13652, 20478

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40947 and 40956. The biggest common factor number is the GCF number.
So the greatest common factor 40947 and 40956 is 3.

Also check out the Least Common Multiple of 40947 and 40956