What is the Greatest Common Factor of 756 and 764?
Greatest common factor (GCF) of 756 and 764 is 4.
GCF(756,764) = 4
We will now calculate the prime factors of 756 and 764, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 756 and 764.
How to find the GCF of 756 and 764?
We will first find the prime factorization of 756 and 764. After we will calculate the factors of 756 and 764 and find the biggest common factor number .
Step-1: Prime Factorization of 756
Prime factors of 756 are 2, 3, 7. Prime factorization of 756 in exponential form is:
756 = 22 × 33 × 71
Step-2: Prime Factorization of 764
Prime factors of 764 are 2, 191. Prime factorization of 764 in exponential form is:
764 = 22 × 1911
Step-3: Factors of 756
List of positive integer factors of 756 that divides 756 without a remainder.
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378
Step-4: Factors of 764
List of positive integer factors of 764 that divides 756 without a remainder.
1, 2, 4, 191, 382
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 756 and 764. The biggest common factor number is the GCF number.
So the greatest common factor 756 and 764 is 4.
Also check out the Least Common Multiple of 756 and 764
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