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 66, 21, 71, 63 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 66, 21, 71, 63 is 1.
GCF(66, 21, 71, 63) = 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 66
List of positive integer factors of 66 that divides 66 without a remainder.
1,2,3,6,11,22,33,66
Factors of 21
List of positive integer factors of 21 that divides 21 without a remainder.
1,3,7,21
Factors of 71
List of positive integer factors of 71 that divides 71 without a remainder.
1,71
Factors of 63
List of positive integer factors of 63 that divides 63 without a remainder.
1,3,7,9,21,63
Greatest Common Factor
We found the factors 66,21,71,63 . The biggest common factor number is the GCF number.
So the greatest common factor 66,21,71,63 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 66, 21, 71, 63?
Answer: GCF of 66, 21, 71, 63 is 1.
2. How to Find the GCF of 66, 21, 71, 63
Answer: Greatest Common Factor(GCF) of 66, 21, 71, 63 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(66, 21, 71, 63) = 1.