What is the Greatest Common Factor of 622 and 630?
Greatest common factor (GCF) of 622 and 630 is 2.
GCF(622,630) = 2
We will now calculate the prime factors of 622 and 630, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 622 and 630.
How to find the GCF of 622 and 630?
We will first find the prime factorization of 622 and 630. After we will calculate the factors of 622 and 630 and find the biggest common factor number .
Step-1: Prime Factorization of 622
Prime factors of 622 are 2, 311. Prime factorization of 622 in exponential form is:
622 = 21 × 3111
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 622
List of positive integer factors of 622 that divides 622 without a remainder.
1, 2, 311
Step-4: Factors of 630
List of positive integer factors of 630 that divides 622 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 622 and 630. The biggest common factor number is the GCF number.
So the greatest common factor 622 and 630 is 2.
Also check out the Least Common Multiple of 622 and 630
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