What is the Greatest Common Factor of 7047 and 7056?

Greatest common factor (GCF) of 7047 and 7056 is 9.

GCF(7047,7056) = 9

We will now calculate the prime factors of 7047 and 7056, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7047 and 7056.

How to find the GCF of 7047 and 7056?

We will first find the prime factorization of 7047 and 7056. After we will calculate the factors of 7047 and 7056 and find the biggest common factor number .

Step-1: Prime Factorization of 7047

Prime factors of 7047 are 3, 29. Prime factorization of 7047 in exponential form is:

7047 = 3⁵ × 29¹

Step-2: Prime Factorization of 7056

Prime factors of 7056 are 2, 3, 7. Prime factorization of 7056 in exponential form is:

7056 = 2⁴ × 3² × 7²

Step-3: Factors of 7047

List of positive integer factors of 7047 that divides 7047 without a remainder.

1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349

Step-4: Factors of 7056

List of positive integer factors of 7056 that divides 7047 without a remainder.

1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7047 and 7056. The biggest common factor number is the GCF number.
So the greatest common factor 7047 and 7056 is 9.

Also check out the Least Common Multiple of 7047 and 7056