Greatest Common Factor of 26, 51, 61, 81

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

• Greatest Common Factor of 26, 51, 61, 81 by common division method
• Greatest Common Factor of 26, 51, 61, 81 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 61

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

1,61

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 26,51,61,81 . The biggest common factor number is the GCF number.
So the greatest common factor 26,51,61,81 is 1.

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

• GCF of 74, 81, 74, 41
• GCF of 76, 35, 12, 49
• GCF of 25, 12, 74, 90
• GCF of 73, 51, 35, 11
• GCF of 52, 63, 90, 84

1. What is the GCF of 26, 51, 61, 81?

Answer: GCF of 26, 51, 61, 81 is 1.

2. How to Find the GCF of 26, 51, 61, 81

Answer: Greatest Common Factor(GCF) of 26, 51, 61, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(26, 51, 61, 81) = 1.