What is the Greatest Common Factor of 637 and 642?
Greatest common factor (GCF) of 637 and 642 is 1.
GCF(637,642) = 1
We will now calculate the prime factors of 637 and 642, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 637 and 642.
How to find the GCF of 637 and 642?
We will first find the prime factorization of 637 and 642. After we will calculate the factors of 637 and 642 and find the biggest common factor number .
Step-1: Prime Factorization of 637
Prime factors of 637 are 7, 13. Prime factorization of 637 in exponential form is:
637 = 72 × 131
Step-2: Prime Factorization of 642
Prime factors of 642 are 2, 3, 107. Prime factorization of 642 in exponential form is:
642 = 21 × 31 × 1071
Step-3: Factors of 637
List of positive integer factors of 637 that divides 637 without a remainder.
1, 7, 13, 49, 91
Step-4: Factors of 642
List of positive integer factors of 642 that divides 637 without a remainder.
1, 2, 3, 6, 107, 214, 321
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 637 and 642. The biggest common factor number is the GCF number.
So the greatest common factor 637 and 642 is 1.
Also check out the Least Common Multiple of 637 and 642
Related Greatest Common Factors of 637
- GCF of 637 and 641
- GCF of 637 and 642
- GCF of 637 and 643
- GCF of 637 and 644
- GCF of 637 and 645
- GCF of 637 and 646
- GCF of 637 and 647
- GCF of 637 and 648
- GCF of 637 and 649
- GCF of 637 and 650
- GCF of 637 and 651
- GCF of 637 and 652
- GCF of 637 and 653
- GCF of 637 and 654
- GCF of 637 and 655
- GCF of 637 and 656
- GCF of 637 and 657
Related Greatest Common Factors of 642
- GCF of 642 and 646
- GCF of 642 and 647
- GCF of 642 and 648
- GCF of 642 and 649
- GCF of 642 and 650
- GCF of 642 and 651
- GCF of 642 and 652
- GCF of 642 and 653
- GCF of 642 and 654
- GCF of 642 and 655
- GCF of 642 and 656
- GCF of 642 and 657
- GCF of 642 and 658
- GCF of 642 and 659
- GCF of 642 and 660
- GCF of 642 and 661
- GCF of 642 and 662