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 85, 35, 42, 81 i.e. 1 largest integer that divides all the numbers equally.
Greatest common factor (GCF) of 85, 35, 42, 81 is 1.
GCF(85, 35, 42, 81) = 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 85
List of positive integer factors of 85 that divides 85 without a remainder.
1,5,17,85
Factors of 35
List of positive integer factors of 35 that divides 35 without a remainder.
1,5,7,35
Factors of 42
List of positive integer factors of 42 that divides 42 without a remainder.
1,2,3,6,7,14,21,42
Factors of 81
List of positive integer factors of 81 that divides 81 without a remainder.
1,3,9,27,81
Greatest Common Factor
We found the factors 85,35,42,81 . The biggest common factor number is the GCF number.
So the greatest common factor 85,35,42,81 is 1.
Here are some samples of GCF of two or more Numbers calculations.
1. What is the GCF of 85, 35, 42, 81?
Answer: GCF of 85, 35, 42, 81 is 1.
2. How to Find the GCF of 85, 35, 42, 81
Answer: Greatest Common Factor(GCF) of 85, 35, 42, 81 = 1
Step 1: Divide all the numbers with common prime numbers having remainder zero.
Step 2: Then multiply all the prime factors GCF(85, 35, 42, 81) = 1.