Greatest Common Factor of 8, 51, 71, 81

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

• Greatest Common Factor of 8, 51, 71, 81 by common division method
• Greatest Common Factor of 8, 51, 71, 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 8

List of positive integer factors of 8 that divides 8 without a remainder.

1,2,4,8

Factors of 51

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

1,3,17,51

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

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 8,51,71,81 . The biggest common factor number is the GCF number.
So the greatest common factor 8,51,71,81 is 1.

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

• GCF of 3, 16, 82, 24
• GCF of 7, 36, 40, 73
• GCF of 3, 24, 46, 64
• GCF of 6, 40, 32, 98
• GCF of 7, 69, 66, 18

1. What is the GCF of 8, 51, 71, 81?

Answer: GCF of 8, 51, 71, 81 is 1.

2. How to Find the GCF of 8, 51, 71, 81

Answer: Greatest Common Factor(GCF) of 8, 51, 71, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(8, 51, 71, 81) = 1.