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 645, 840, 822 i.e. 3 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 645, 840, 822 is 3.
GCF(645, 840, 822) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
3 | 645, 840, 822 |
215, 280, 274 |
∴ So the GCF of the given numbers is 3 = 3
Factors of 645
List of positive integer factors of 645 that divides 645 without a remainder.
1,3,5,15,43,129,215,645
Factors of 840
List of positive integer factors of 840 that divides 840 without a remainder.
1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840
Factors of 822
List of positive integer factors of 822 that divides 822 without a remainder.
1,2,3,6,137,274,411,822
Greatest Common Factor
We found the factors 645,840,822 . The biggest common factor number is the GCF number.
So the greatest common factor 645,840,822 is 3.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 645, 840, 822?
Answer: GCF of 645, 840, 822 is 3.
2. How to Find the GCF of 645, 840, 822
Answer: Greatest Common Factor(GCF) of 645, 840, 822 = 3
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(645, 840, 822) = 3.