Greatest Common Factor of 81, 73, 26, 42

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

• Greatest Common Factor of 81, 73, 26, 42 by common division method
• Greatest Common Factor of 81, 73, 26, 42 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 26

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

1,2,13,26

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Greatest Common Factor

We found the factors 81,73,26,42 . The biggest common factor number is the GCF number.
So the greatest common factor 81,73,26,42 is 1.

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

• GCF of 41, 57, 55, 25
• GCF of 39, 88, 23, 80
• GCF of 33, 69, 47, 79
• GCF of 90, 24, 10, 20
• GCF of 96, 23, 36, 66

1. What is the GCF of 81, 73, 26, 42?

Answer: GCF of 81, 73, 26, 42 is 1.

2. How to Find the GCF of 81, 73, 26, 42

Answer: Greatest Common Factor(GCF) of 81, 73, 26, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 73, 26, 42) = 1.