What is the Greatest Common Factor of 609 and 624?
Greatest common factor (GCF) of 609 and 624 is 3.
GCF(609,624) = 3
We will now calculate the prime factors of 609 and 624, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 609 and 624.
How to find the GCF of 609 and 624?
We will first find the prime factorization of 609 and 624. After we will calculate the factors of 609 and 624 and find the biggest common factor number .
Step-1: Prime Factorization of 609
Prime factors of 609 are 3, 7, 29. Prime factorization of 609 in exponential form is:
609 = 31 × 71 × 291
Step-2: Prime Factorization of 624
Prime factors of 624 are 2, 3, 13. Prime factorization of 624 in exponential form is:
624 = 24 × 31 × 131
Step-3: Factors of 609
List of positive integer factors of 609 that divides 609 without a remainder.
1, 3, 7, 21, 29, 87, 203
Step-4: Factors of 624
List of positive integer factors of 624 that divides 609 without a remainder.
1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 609 and 624. The biggest common factor number is the GCF number.
So the greatest common factor 609 and 624 is 3.
Also check out the Least Common Multiple of 609 and 624
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