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, 245, 690 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 261, 245, 690 is 1.
GCF(261, 245, 690) = 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 245
List of positive integer factors of 245 that divides 245 without a remainder.
1,5,7,35,49,245
Factors of 690
List of positive integer factors of 690 that divides 690 without a remainder.
1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690
Greatest Common Factor
We found the factors 261,245,690 . The biggest common factor number is the GCF number.
So the greatest common factor 261,245,690 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 261, 245, 690?
Answer: GCF of 261, 245, 690 is 1.
2. How to Find the GCF of 261, 245, 690
Answer: Greatest Common Factor(GCF) of 261, 245, 690 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(261, 245, 690) = 1.