Greatest Common Factor of 27, 81, 43, 30, 77

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

• Greatest Common Factor of 27, 81, 43, 30, 77 by common division method
• Greatest Common Factor of 27, 81, 43, 30, 77 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 81

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

1,3,9,27,81

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Greatest Common Factor

We found the factors 27,81,43,30,77 . The biggest common factor number is the GCF number.
So the greatest common factor 27,81,43,30,77 is 1.

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

• GCF of 44, 40, 59, 30, 88
• GCF of 53, 51, 74, 80, 54
• GCF of 83, 84, 43, 10, 22
• GCF of 47, 80, 66, 36, 92
• GCF of 71, 49, 80, 62, 38

1. What is the GCF of 27, 81, 43, 30, 77?

Answer: GCF of 27, 81, 43, 30, 77 is 1.

2. How to Find the GCF of 27, 81, 43, 30, 77

Answer: Greatest Common Factor(GCF) of 27, 81, 43, 30, 77 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 81, 43, 30, 77) = 1.