What is the Greatest Common Factor of 623 and 636?
Greatest common factor (GCF) of 623 and 636 is 1.
GCF(623,636) = 1
We will now calculate the prime factors of 623 and 636, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 623 and 636.
How to find the GCF of 623 and 636?
We will first find the prime factorization of 623 and 636. After we will calculate the factors of 623 and 636 and find the biggest common factor number .
Step-1: Prime Factorization of 623
Prime factors of 623 are 7, 89. Prime factorization of 623 in exponential form is:
623 = 71 × 891
Step-2: Prime Factorization of 636
Prime factors of 636 are 2, 3, 53. Prime factorization of 636 in exponential form is:
636 = 22 × 31 × 531
Step-3: Factors of 623
List of positive integer factors of 623 that divides 623 without a remainder.
1, 7, 89
Step-4: Factors of 636
List of positive integer factors of 636 that divides 623 without a remainder.
1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 623 and 636. The biggest common factor number is the GCF number.
So the greatest common factor 623 and 636 is 1.
Also check out the Least Common Multiple of 623 and 636
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Related Greatest Common Factors of 636
- GCF of 636 and 640
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