What is the Greatest Common Factor of 640 and 659?
Greatest common factor (GCF) of 640 and 659 is 1.
GCF(640,659) = 1
We will now calculate the prime factors of 640 and 659, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 640 and 659.
How to find the GCF of 640 and 659?
We will first find the prime factorization of 640 and 659. After we will calculate the factors of 640 and 659 and find the biggest common factor number .
Step-1: Prime Factorization of 640
Prime factors of 640 are 2, 5. Prime factorization of 640 in exponential form is:
640 = 27 × 51
Step-2: Prime Factorization of 659
Prime factors of 659 are 659. Prime factorization of 659 in exponential form is:
659 = 6591
Step-3: Factors of 640
List of positive integer factors of 640 that divides 640 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320
Step-4: Factors of 659
List of positive integer factors of 659 that divides 640 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 640 and 659. The biggest common factor number is the GCF number.
So the greatest common factor 640 and 659 is 1.
Also check out the Least Common Multiple of 640 and 659
Related Greatest Common Factors of 640
- GCF of 640 and 644
- GCF of 640 and 645
- GCF of 640 and 646
- GCF of 640 and 647
- GCF of 640 and 648
- GCF of 640 and 649
- GCF of 640 and 650
- GCF of 640 and 651
- GCF of 640 and 652
- GCF of 640 and 653
- GCF of 640 and 654
- GCF of 640 and 655
- GCF of 640 and 656
- GCF of 640 and 657
- GCF of 640 and 658
- GCF of 640 and 659
- GCF of 640 and 660
Related Greatest Common Factors of 659
- GCF of 659 and 663
- GCF of 659 and 664
- GCF of 659 and 665
- GCF of 659 and 666
- GCF of 659 and 667
- GCF of 659 and 668
- GCF of 659 and 669
- GCF of 659 and 670
- GCF of 659 and 671
- GCF of 659 and 672
- GCF of 659 and 673
- GCF of 659 and 674
- GCF of 659 and 675
- GCF of 659 and 676
- GCF of 659 and 677
- GCF of 659 and 678
- GCF of 659 and 679