Greatest Common Factor of 20, 27, 26, 61

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

• Greatest Common Factor of 20, 27, 26, 61 by common division method
• Greatest Common Factor of 20, 27, 26, 61 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 20

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

1,2,4,5,10,20

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 26

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

1,2,13,26

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Greatest Common Factor

We found the factors 20,27,26,61 . The biggest common factor number is the GCF number.
So the greatest common factor 20,27,26,61 is 1.

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

• GCF of 72, 80, 17, 50
• GCF of 44, 24, 85, 62
• GCF of 74, 91, 93, 82
• GCF of 53, 66, 33, 70
• GCF of 76, 99, 68, 34

1. What is the GCF of 20, 27, 26, 61?

Answer: GCF of 20, 27, 26, 61 is 1.

2. How to Find the GCF of 20, 27, 26, 61

Answer: Greatest Common Factor(GCF) of 20, 27, 26, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 27, 26, 61) = 1.