What is the Greatest Common Factor of 659 and 665?
Greatest common factor (GCF) of 659 and 665 is 1.
GCF(659,665) = 1
We will now calculate the prime factors of 659 and 665, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 659 and 665.
How to find the GCF of 659 and 665?
We will first find the prime factorization of 659 and 665. After we will calculate the factors of 659 and 665 and find the biggest common factor number .
Step-1: Prime Factorization of 659
Prime factors of 659 are 659. Prime factorization of 659 in exponential form is:
659 = 6591
Step-2: Prime Factorization of 665
Prime factors of 665 are 5, 7, 19. Prime factorization of 665 in exponential form is:
665 = 51 × 71 × 191
Step-3: Factors of 659
List of positive integer factors of 659 that divides 659 without a remainder.
1
Step-4: Factors of 665
List of positive integer factors of 665 that divides 659 without a remainder.
1, 5, 7, 19, 35, 95, 133
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 659 and 665. The biggest common factor number is the GCF number.
So the greatest common factor 659 and 665 is 1.
Also check out the Least Common Multiple of 659 and 665
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