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 421, 561 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 421, 561 is 1.
GCF(421, 561) = 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 421
List of positive integer factors of 421 that divides 421 without a remainder.
1,421
Factors of 561
List of positive integer factors of 561 that divides 561 without a remainder.
1,3,11,17,33,51,187,561
Greatest Common Factor
We found the factors 421,561 . The biggest common factor number is the GCF number.
So the greatest common factor 421,561 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 421, 561?
Answer: GCF of 421, 561 is 1.
2. How to Find the GCF of 421, 561
Answer: Greatest Common Factor(GCF) of 421, 561 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(421, 561) = 1.