Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 671, 672 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 671 and 672 is 1.
GCF(671,672) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 671
11 | 671 |
61 | 61 |
1 |
Prime factors of 671 are 11,61. Prime factorization of 671 in exponential form is:
671 = 111×611
Prime Factorization of 672
2 | 672 |
2 | 336 |
2 | 168 |
2 | 84 |
2 | 42 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 672 are 2,3,7. Prime factorization of 672 in exponential form is:
672 = 25×31×71
∴ So by taking common prime factors GCF of 671 and 672 is 1
Factors of 671
List of positive integer factors of 671 that divides 671 without a remainder.
1,11,61,671
Factors of 672
List of positive integer factors of 672 that divides 672 without a remainder.
1,2,3,4,6,7,8,12,14,16,21,24,28,32,42,48,56,84,96,112,168,224,336,672
Greatest Common Factor
We found the factors and prime factorization of 671 and 672. The biggest common factor number is the GCF number.
So the greatest common factor 671 and 672 is 1.
Also check out the Least Common Multiple of 671 and 672
(i) The GCF of 671 and 672 is associative
GCF of 671 and 672 = GCF of 672 and 671
1. What is the GCF of 671 and 672?
Answer: GCF of 671 and 672 is 1.
2. What are the Factors of 671?
Answer: Factors of 671 are 1, 11, 61, 671. There are 4 integers that are factors of 671. The greatest factor of 671 is 671.
3. What are the Factors of 672?
Answer: Factors of 672 are 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672. There are 24 integers that are factors of 672. The greatest factor of 672 is 672.
4. How to Find the GCF of 671 and 672?
Answer:
Greatest Common Factor of 671 and 672 = 1
Step 1: Find the prime factorization of 671
671 = 11 x 61
Step 2: Find the prime factorization of 672
672 = 2 x 2 x 2 x 2 x 2 x 3 x 7
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 671 and 672 is 1