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 138, 420, 980 i.e. 2 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 138, 420, 980 is 2.
GCF(138, 420, 980) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
2 | 138, 420, 980 |
69, 210, 490 |
∴ So the GCF of the given numbers is 2 = 2
Factors of 138
List of positive integer factors of 138 that divides 138 without a remainder.
1,2,3,6,23,46,69,138
Factors of 420
List of positive integer factors of 420 that divides 420 without a remainder.
1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420
Factors of 980
List of positive integer factors of 980 that divides 980 without a remainder.
1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980
Greatest Common Factor
We found the factors 138,420,980 . The biggest common factor number is the GCF number.
So the greatest common factor 138,420,980 is 2.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 138, 420, 980?
Answer: GCF of 138, 420, 980 is 2.
2. How to Find the GCF of 138, 420, 980
Answer: Greatest Common Factor(GCF) of 138, 420, 980 = 2
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(138, 420, 980) = 2.