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 43, 17, 20, 247 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 43, 17, 20, 247 is 1.
GCF(43, 17, 20, 247) = 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 43
List of positive integer factors of 43 that divides 43 without a remainder.
1,43
Factors of 17
List of positive integer factors of 17 that divides 17 without a remainder.
1,17
Factors of 20
List of positive integer factors of 20 that divides 20 without a remainder.
1,2,4,5,10,20
Factors of 247
List of positive integer factors of 247 that divides 247 without a remainder.
1,13,19,247
Greatest Common Factor
We found the factors 43,17,20,247 . The biggest common factor number is the GCF number.
So the greatest common factor 43,17,20,247 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 43, 17, 20, 247?
Answer: GCF of 43, 17, 20, 247 is 1.
2. How to Find the GCF of 43, 17, 20, 247
Answer: Greatest Common Factor(GCF) of 43, 17, 20, 247 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(43, 17, 20, 247) = 1.