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 261, 390, 128, 220 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 261, 390, 128, 220 is 1.
GCF(261, 390, 128, 220) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways
∴ GCF of numbers is 1 because of no common factors present between them.
Factors of 261
List of positive integer factors of 261 that divides 261 without a remainder.
1,3,9,29,87,261
Factors of 390
List of positive integer factors of 390 that divides 390 without a remainder.
1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390
Factors of 128
List of positive integer factors of 128 that divides 128 without a remainder.
1,2,4,8,16,32,64,128
Factors of 220
List of positive integer factors of 220 that divides 220 without a remainder.
1,2,4,5,10,11,20,22,44,55,110,220
Greatest Common Factor
We found the factors 261,390,128,220 . The biggest common factor number is the GCF number.
So the greatest common factor 261,390,128,220 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 261, 390, 128, 220?
Answer: GCF of 261, 390, 128, 220 is 1.
2. How to Find the GCF of 261, 390, 128, 220
Answer: Greatest Common Factor(GCF) of 261, 390, 128, 220 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(261, 390, 128, 220) = 1.