What is the Greatest Common Factor of 942 and 957?
Greatest common factor (GCF) of 942 and 957 is 3.
GCF(942,957) = 3
We will now calculate the prime factors of 942 and 957, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 942 and 957.
How to find the GCF of 942 and 957?
We will first find the prime factorization of 942 and 957. After we will calculate the factors of 942 and 957 and find the biggest common factor number .
Step-1: Prime Factorization of 942
Prime factors of 942 are 2, 3, 157. Prime factorization of 942 in exponential form is:
942 = 21 × 31 × 1571
Step-2: Prime Factorization of 957
Prime factors of 957 are 3, 11, 29. Prime factorization of 957 in exponential form is:
957 = 31 × 111 × 291
Step-3: Factors of 942
List of positive integer factors of 942 that divides 942 without a remainder.
1, 2, 3, 6, 157, 314, 471
Step-4: Factors of 957
List of positive integer factors of 957 that divides 942 without a remainder.
1, 3, 11, 29, 33, 87, 319
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 942 and 957. The biggest common factor number is the GCF number.
So the greatest common factor 942 and 957 is 3.
Also check out the Least Common Multiple of 942 and 957
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