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 670, 675 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 670 and 675 is 5.
GCF(670,675) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 670
2 | 670 |
5 | 335 |
67 | 67 |
1 |
Prime factors of 670 are 2,5,67. Prime factorization of 670 in exponential form is:
670 = 21×51×671
Prime Factorization of 675
3 | 675 |
3 | 225 |
3 | 75 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 675 are 3,5. Prime factorization of 675 in exponential form is:
675 = 33×52
∴ So by taking common prime factors GCF of 670 and 675 is 5
Factors of 670
List of positive integer factors of 670 that divides 670 without a remainder.
1,2,5,10,67,134,335,670
Factors of 675
List of positive integer factors of 675 that divides 675 without a remainder.
1,3,5,9,15,25,27,45,75,135,225,675
Greatest Common Factor
We found the factors and prime factorization of 670 and 675. The biggest common factor number is the GCF number.
So the greatest common factor 670 and 675 is 5.
Also check out the Least Common Multiple of 670 and 675
(i) The GCF of 670 and 675 is associative
GCF of 670 and 675 = GCF of 675 and 670
1. What is the GCF of 670 and 675?
Answer: GCF of 670 and 675 is 5.
2. What are the Factors of 670?
Answer: Factors of 670 are 1, 2, 5, 10, 67, 134, 335, 670. There are 8 integers that are factors of 670. The greatest factor of 670 is 670.
3. What are the Factors of 675?
Answer: Factors of 675 are 1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675. There are 12 integers that are factors of 675. The greatest factor of 675 is 675.
4. How to Find the GCF of 670 and 675?
Answer:
Greatest Common Factor of 670 and 675 = 5
Step 1: Find the prime factorization of 670
670 = 2 x 5 x 67
Step 2: Find the prime factorization of 675
675 = 3 x 3 x 3 x 5 x 5
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 670 and 675 is 5