Greatest Common Factor of 870, 840
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 870, 840 i.e. 30 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 870, 840 is 30.
GCF(870, 840) = 30
GCF of 870, 840
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
- Greatest Common Factor of 870, 840 by common division method
- Greatest Common Factor of 870, 840 with matching the biggest common factor
GCF of 870,840 is 30
| 2 | 870, 840 |
| 3 | 435, 420 |
| 5 | 145, 140 |
| 29, 28 |
∴ So the GCF of the given numbers is 2 x 3 x 5 = 30
Factors of 870
List of positive integer factors of 870 that divides 870 without a remainder.
1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870
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
Greatest Common Factor
We found the factors 870,840 . The biggest common factor number is the GCF number.
So the greatest common factor 870,840 is 30.
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 870, 840
1. What is the GCF of 870, 840?
Answer: GCF of 870, 840 is 30.
2. How to Find the GCF of 870, 840
Answer: Greatest Common Factor(GCF) of 870, 840 = 30
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(870, 840) = 30.