What is the Greatest Common Factor of 628 and 647?
Greatest common factor (GCF) of 628 and 647 is 1.
GCF(628,647) = 1
We will now calculate the prime factors of 628 and 647, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 628 and 647.
How to find the GCF of 628 and 647?
We will first find the prime factorization of 628 and 647. After we will calculate the factors of 628 and 647 and find the biggest common factor number .
Step-1: Prime Factorization of 628
Prime factors of 628 are 2, 157. Prime factorization of 628 in exponential form is:
628 = 22 × 1571
Step-2: Prime Factorization of 647
Prime factors of 647 are 647. Prime factorization of 647 in exponential form is:
647 = 6471
Step-3: Factors of 628
List of positive integer factors of 628 that divides 628 without a remainder.
1, 2, 4, 157, 314
Step-4: Factors of 647
List of positive integer factors of 647 that divides 628 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 628 and 647. The biggest common factor number is the GCF number.
So the greatest common factor 628 and 647 is 1.
Also check out the Least Common Multiple of 628 and 647
Related Greatest Common Factors of 628
- GCF of 628 and 632
- GCF of 628 and 633
- GCF of 628 and 634
- GCF of 628 and 635
- GCF of 628 and 636
- GCF of 628 and 637
- GCF of 628 and 638
- GCF of 628 and 639
- GCF of 628 and 640
- GCF of 628 and 641
- GCF of 628 and 642
- GCF of 628 and 643
- GCF of 628 and 644
- GCF of 628 and 645
- GCF of 628 and 646
- GCF of 628 and 647
- GCF of 628 and 648
Related Greatest Common Factors of 647
- GCF of 647 and 651
- GCF of 647 and 652
- GCF of 647 and 653
- GCF of 647 and 654
- GCF of 647 and 655
- GCF of 647 and 656
- GCF of 647 and 657
- GCF of 647 and 658
- GCF of 647 and 659
- GCF of 647 and 660
- GCF of 647 and 661
- GCF of 647 and 662
- GCF of 647 and 663
- GCF of 647 and 664
- GCF of 647 and 665
- GCF of 647 and 666
- GCF of 647 and 667