Greatest Common Factor of 688, 645
Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
GCF of two or more numbers Calculator allows you to quickly calculate the GCF of 688, 645 i.e. 43 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 688, 645 is 43.
GCF(688, 645) = 43
GCF of 688, 645
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 688, 645 by common division method
- Greatest Common Factor of 688, 645 with matching the biggest common factor
GCF of 688,645 is 43
| 43 | 688, 645 |
| 16, 15 |
∴ So the GCF of the given numbers is 43 = 43
Factors of 688
List of positive integer factors of 688 that divides 688 without a remainder.
1,2,4,8,16,43,86,172,344,688
Factors of 645
List of positive integer factors of 645 that divides 645 without a remainder.
1,3,5,15,43,129,215,645
Greatest Common Factor
We found the factors 688,645 . The biggest common factor number is the GCF number.
So the greatest common factor 688,645 is 43.
GCF of two or more Numbers Calculation Examples
Here are some samples of GCF of two or more Numbers calculations.
Frequently Asked Questions on GCF of 688, 645
1. What is the GCF of 688, 645?
Answer: GCF of 688, 645 is 43.
2. How to Find the GCF of 688, 645
Answer: Greatest Common Factor(GCF) of 688, 645 = 43
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(688, 645) = 43.