What is the Greatest Common Factor of 20620 and 20635?
Greatest common factor (GCF) of 20620 and 20635 is 5.
GCF(20620,20635) = 5
We will now calculate the prime factors of 20620 and 20635, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20620 and 20635.
How to find the GCF of 20620 and 20635?
We will first find the prime factorization of 20620 and 20635. After we will calculate the factors of 20620 and 20635 and find the biggest common factor number .
Step-1: Prime Factorization of 20620
Prime factors of 20620 are 2, 5, 1031. Prime factorization of 20620 in exponential form is:
20620 = 22 × 51 × 10311
Step-2: Prime Factorization of 20635
Prime factors of 20635 are 5, 4127. Prime factorization of 20635 in exponential form is:
20635 = 51 × 41271
Step-3: Factors of 20620
List of positive integer factors of 20620 that divides 20620 without a remainder.
1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 10310
Step-4: Factors of 20635
List of positive integer factors of 20635 that divides 20620 without a remainder.
1, 5, 4127
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 20620 and 20635. The biggest common factor number is the GCF number.
So the greatest common factor 20620 and 20635 is 5.
Also check out the Least Common Multiple of 20620 and 20635
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