Greatest Common Factor of 27, 81, 4, 10

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

• Greatest Common Factor of 27, 81, 4, 10 by common division method
• Greatest Common Factor of 27, 81, 4, 10 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 4

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

1,2,4

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Greatest Common Factor

We found the factors 27,81,4,10 . The biggest common factor number is the GCF number.
So the greatest common factor 27,81,4,10 is 1.

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

• GCF of 77, 97, 7, 72
• GCF of 63, 59, 4, 29
• GCF of 96, 36, 1, 28
• GCF of 63, 62, 1, 67
• GCF of 10, 91, 4, 20

1. What is the GCF of 27, 81, 4, 10?

Answer: GCF of 27, 81, 4, 10 is 1.

2. How to Find the GCF of 27, 81, 4, 10

Answer: Greatest Common Factor(GCF) of 27, 81, 4, 10 = 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, 4, 10) = 1.