What is the Greatest Common Factor of 661 and 671?
Greatest common factor (GCF) of 661 and 671 is 1.
GCF(661,671) = 1
We will now calculate the prime factors of 661 and 671, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 661 and 671.
How to find the GCF of 661 and 671?
We will first find the prime factorization of 661 and 671. After we will calculate the factors of 661 and 671 and find the biggest common factor number .
Step-1: Prime Factorization of 661
Prime factors of 661 are 661. Prime factorization of 661 in exponential form is:
661 = 6611
Step-2: Prime Factorization of 671
Prime factors of 671 are 11, 61. Prime factorization of 671 in exponential form is:
671 = 111 × 611
Step-3: Factors of 661
List of positive integer factors of 661 that divides 661 without a remainder.
1
Step-4: Factors of 671
List of positive integer factors of 671 that divides 661 without a remainder.
1, 11, 61
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 661 and 671. The biggest common factor number is the GCF number.
So the greatest common factor 661 and 671 is 1.
Also check out the Least Common Multiple of 661 and 671
Related Greatest Common Factors of 661
- GCF of 661 and 665
- GCF of 661 and 666
- GCF of 661 and 667
- GCF of 661 and 668
- GCF of 661 and 669
- GCF of 661 and 670
- GCF of 661 and 671
- GCF of 661 and 672
- GCF of 661 and 673
- GCF of 661 and 674
- GCF of 661 and 675
- GCF of 661 and 676
- GCF of 661 and 677
- GCF of 661 and 678
- GCF of 661 and 679
- GCF of 661 and 680
- GCF of 661 and 681
Related Greatest Common Factors of 671
- GCF of 671 and 675
- GCF of 671 and 676
- GCF of 671 and 677
- GCF of 671 and 678
- GCF of 671 and 679
- GCF of 671 and 680
- GCF of 671 and 681
- GCF of 671 and 682
- GCF of 671 and 683
- GCF of 671 and 684
- GCF of 671 and 685
- GCF of 671 and 686
- GCF of 671 and 687
- GCF of 671 and 688
- GCF of 671 and 689
- GCF of 671 and 690
- GCF of 671 and 691