Greatest Common Factor of 26, 39, 61, 20

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

• Greatest Common Factor of 26, 39, 61, 20 by common division method
• Greatest Common Factor of 26, 39, 61, 20 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 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 61

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

1,61

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 26,39,61,20 . The biggest common factor number is the GCF number.
So the greatest common factor 26,39,61,20 is 1.

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

• GCF of 20, 14, 14, 19
• GCF of 94, 44, 29, 31
• GCF of 21, 96, 32, 84
• GCF of 30, 45, 33, 42
• GCF of 98, 17, 77, 95

1. What is the GCF of 26, 39, 61, 20?

Answer: GCF of 26, 39, 61, 20 is 1.

2. How to Find the GCF of 26, 39, 61, 20

Answer: Greatest Common Factor(GCF) of 26, 39, 61, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(26, 39, 61, 20) = 1.