Greatest Common Factor of 26, 91, 20, 57

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 26, 91, 20, 57 by common division method
• Greatest Common Factor of 26, 91, 20, 57 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Greatest Common Factor

We found the factors 26,91,20,57 . The biggest common factor number is the GCF number.
So the greatest common factor 26,91,20,57 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 11, 27, 37, 89
• GCF of 81, 82, 82, 75
• GCF of 97, 79, 48, 51
• GCF of 70, 47, 35, 84
• GCF of 83, 25, 18, 32

1. What is the GCF of 26, 91, 20, 57?

Answer: GCF of 26, 91, 20, 57 is 1.

2. How to Find the GCF of 26, 91, 20, 57

Answer: Greatest Common Factor(GCF) of 26, 91, 20, 57 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(26, 91, 20, 57) = 1.