What is the Greatest Common Factor of 629 and 644?
Greatest common factor (GCF) of 629 and 644 is 1.
GCF(629,644) = 1
We will now calculate the prime factors of 629 and 644, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 629 and 644.
How to find the GCF of 629 and 644?
We will first find the prime factorization of 629 and 644. After we will calculate the factors of 629 and 644 and find the biggest common factor number .
Step-1: Prime Factorization of 629
Prime factors of 629 are 17, 37. Prime factorization of 629 in exponential form is:
629 = 171 × 371
Step-2: Prime Factorization of 644
Prime factors of 644 are 2, 7, 23. Prime factorization of 644 in exponential form is:
644 = 22 × 71 × 231
Step-3: Factors of 629
List of positive integer factors of 629 that divides 629 without a remainder.
1, 17, 37
Step-4: Factors of 644
List of positive integer factors of 644 that divides 629 without a remainder.
1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 629 and 644. The biggest common factor number is the GCF number.
So the greatest common factor 629 and 644 is 1.
Also check out the Least Common Multiple of 629 and 644
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