What is the Greatest Common Factor of 649 and 667?
Greatest common factor (GCF) of 649 and 667 is 1.
GCF(649,667) = 1
We will now calculate the prime factors of 649 and 667, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 649 and 667.
How to find the GCF of 649 and 667?
We will first find the prime factorization of 649 and 667. After we will calculate the factors of 649 and 667 and find the biggest common factor number .
Step-1: Prime Factorization of 649
Prime factors of 649 are 11, 59. Prime factorization of 649 in exponential form is:
649 = 111 × 591
Step-2: Prime Factorization of 667
Prime factors of 667 are 23, 29. Prime factorization of 667 in exponential form is:
667 = 231 × 291
Step-3: Factors of 649
List of positive integer factors of 649 that divides 649 without a remainder.
1, 11, 59
Step-4: Factors of 667
List of positive integer factors of 667 that divides 649 without a remainder.
1, 23, 29
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 649 and 667. The biggest common factor number is the GCF number.
So the greatest common factor 649 and 667 is 1.
Also check out the Least Common Multiple of 649 and 667
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