What is the Greatest Common Factor of 765 and 774?
Greatest common factor (GCF) of 765 and 774 is 9.
GCF(765,774) = 9
We will now calculate the prime factors of 765 and 774, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 765 and 774.
How to find the GCF of 765 and 774?
We will first find the prime factorization of 765 and 774. After we will calculate the factors of 765 and 774 and find the biggest common factor number .
Step-1: Prime Factorization of 765
Prime factors of 765 are 3, 5, 17. Prime factorization of 765 in exponential form is:
765 = 32 × 51 × 171
Step-2: Prime Factorization of 774
Prime factors of 774 are 2, 3, 43. Prime factorization of 774 in exponential form is:
774 = 21 × 32 × 431
Step-3: Factors of 765
List of positive integer factors of 765 that divides 765 without a remainder.
1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255
Step-4: Factors of 774
List of positive integer factors of 774 that divides 765 without a remainder.
1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 765 and 774. The biggest common factor number is the GCF number.
So the greatest common factor 765 and 774 is 9.
Also check out the Least Common Multiple of 765 and 774
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Related Greatest Common Factors of 774
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