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 78, 64, 840 i.e. 2 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 78, 64, 840 is 2.
GCF(78, 64, 840) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
2 | 78, 64, 840 |
39, 32, 420 |
∴ So the GCF of the given numbers is 2 = 2
Factors of 78
List of positive integer factors of 78 that divides 78 without a remainder.
1,2,3,6,13,26,39,78
Factors of 64
List of positive integer factors of 64 that divides 64 without a remainder.
1,2,4,8,16,32,64
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 78,64,840 . The biggest common factor number is the GCF number.
So the greatest common factor 78,64,840 is 2.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 78, 64, 840?
Answer: GCF of 78, 64, 840 is 2.
2. How to Find the GCF of 78, 64, 840
Answer: Greatest Common Factor(GCF) of 78, 64, 840 = 2
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(78, 64, 840) = 2.