Greatest Common Factor of 81, 76, 47, 86

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

• Greatest Common Factor of 81, 76, 47, 86 by common division method
• Greatest Common Factor of 81, 76, 47, 86 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 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Greatest Common Factor

We found the factors 81,76,47,86 . The biggest common factor number is the GCF number.
So the greatest common factor 81,76,47,86 is 1.

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

• GCF of 28, 91, 87, 21
• GCF of 87, 97, 60, 44
• GCF of 76, 84, 37, 48
• GCF of 63, 74, 43, 29
• GCF of 75, 94, 80, 79

1. What is the GCF of 81, 76, 47, 86?

Answer: GCF of 81, 76, 47, 86 is 1.

2. How to Find the GCF of 81, 76, 47, 86

Answer: Greatest Common Factor(GCF) of 81, 76, 47, 86 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 76, 47, 86) = 1.