What is the Greatest Common Factor of 625 and 630?
Greatest common factor (GCF) of 625 and 630 is 5.
GCF(625,630) = 5
We will now calculate the prime factors of 625 and 630, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 625 and 630.
How to find the GCF of 625 and 630?
We will first find the prime factorization of 625 and 630. After we will calculate the factors of 625 and 630 and find the biggest common factor number .
Step-1: Prime Factorization of 625
Prime factors of 625 are 5. Prime factorization of 625 in exponential form is:
625 = 54
Step-2: Prime Factorization of 630
Prime factors of 630 are 2, 3, 5, 7. Prime factorization of 630 in exponential form is:
630 = 21 × 32 × 51 × 71
Step-3: Factors of 625
List of positive integer factors of 625 that divides 625 without a remainder.
1, 5, 25, 125
Step-4: Factors of 630
List of positive integer factors of 630 that divides 625 without a remainder.
1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 625 and 630. The biggest common factor number is the GCF number.
So the greatest common factor 625 and 630 is 5.
Also check out the Least Common Multiple of 625 and 630
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Related Greatest Common Factors of 630
- GCF of 630 and 634
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