Greatest Common Factor of 81, 26, 64, 38

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

• Greatest Common Factor of 81, 26, 64, 38 by common division method
• Greatest Common Factor of 81, 26, 64, 38 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 26

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

1,2,13,26

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Greatest Common Factor

We found the factors 81,26,64,38 . The biggest common factor number is the GCF number.
So the greatest common factor 81,26,64,38 is 1.

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

• GCF of 26, 91, 11, 30
• GCF of 20, 35, 81, 66
• GCF of 14, 59, 12, 49
• GCF of 47, 38, 70, 91
• GCF of 16, 86, 56, 16

1. What is the GCF of 81, 26, 64, 38?

Answer: GCF of 81, 26, 64, 38 is 1.

2. How to Find the GCF of 81, 26, 64, 38

Answer: Greatest Common Factor(GCF) of 81, 26, 64, 38 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 26, 64, 38) = 1.