Greatest Common Factor of 4, 5, 76, 81

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

• Greatest Common Factor of 4, 5, 76, 81 by common division method
• Greatest Common Factor of 4, 5, 76, 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 4

List of positive integer factors of 4 that divides 4 without a remainder.

1,2,4

Factors of 5

List of positive integer factors of 5 that divides 5 without a remainder.

1,5

Factors of 76

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

1,2,4,19,38,76

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 4,5,76,81 . The biggest common factor number is the GCF number.
So the greatest common factor 4,5,76,81 is 1.

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

• GCF of 9, 5, 29, 28
• GCF of 8, 7, 95, 37
• GCF of 3, 5, 39, 39
• GCF of 8, 7, 78, 53
• GCF of 1, 2, 21, 10

1. What is the GCF of 4, 5, 76, 81?

Answer: GCF of 4, 5, 76, 81 is 1.

2. How to Find the GCF of 4, 5, 76, 81

Answer: Greatest Common Factor(GCF) of 4, 5, 76, 81 = 1

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

Step 2: Then multiply all the prime factors GCF(4, 5, 76, 81) = 1.