GCF and LCM Calculator Logo

What is the Greatest Common Factor of 47944 and 47957?

Greatest common factor (GCF) of 47944 and 47957 is 13.

GCF(47944,47957) = 13

We will now calculate the prime factors of 47944 and 47957, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47944 and 47957.

GCF Calculator and
and

How to find the GCF of 47944 and 47957?

We will first find the prime factorization of 47944 and 47957. After we will calculate the factors of 47944 and 47957 and find the biggest common factor number .

Step-1: Prime Factorization of 47944

Prime factors of 47944 are 2, 13, 461. Prime factorization of 47944 in exponential form is:

47944 = 23 × 131 × 4611

Step-2: Prime Factorization of 47957

Prime factors of 47957 are 7, 13, 17, 31. Prime factorization of 47957 in exponential form is:

47957 = 71 × 131 × 171 × 311

Step-3: Factors of 47944

List of positive integer factors of 47944 that divides 47944 without a remainder.

1, 2, 4, 8, 13, 26, 52, 104, 461, 922, 1844, 3688, 5993, 11986, 23972

Step-4: Factors of 47957

List of positive integer factors of 47957 that divides 47944 without a remainder.

1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 2821, 3689, 6851

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47944 and 47957. The biggest common factor number is the GCF number.
So the greatest common factor 47944 and 47957 is 13.

Also check out the Least Common Multiple of 47944 and 47957