What is the Greatest Common Factor of 621 and 625?
Greatest common factor (GCF) of 621 and 625 is 1.
GCF(621,625) = 1
We will now calculate the prime factors of 621 and 625, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 621 and 625.
How to find the GCF of 621 and 625?
We will first find the prime factorization of 621 and 625. After we will calculate the factors of 621 and 625 and find the biggest common factor number .
Step-1: Prime Factorization of 621
Prime factors of 621 are 3, 23. Prime factorization of 621 in exponential form is:
621 = 33 × 231
Step-2: Prime Factorization of 625
Prime factors of 625 are 5. Prime factorization of 625 in exponential form is:
625 = 54
Step-3: Factors of 621
List of positive integer factors of 621 that divides 621 without a remainder.
1, 3, 9, 23, 27, 69, 207
Step-4: Factors of 625
List of positive integer factors of 625 that divides 621 without a remainder.
1, 5, 25, 125
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 621 and 625. The biggest common factor number is the GCF number.
So the greatest common factor 621 and 625 is 1.
Also check out the Least Common Multiple of 621 and 625
Related Greatest Common Factors of 621
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Related Greatest Common Factors of 625
- GCF of 625 and 629
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- GCF of 625 and 631
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