Greatest Common Factor of 27, 65, 646

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

• Greatest Common Factor of 27, 65, 646 by common division method
• Greatest Common Factor of 27, 65, 646 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 27,65,646 . The biggest common factor number is the GCF number.
So the greatest common factor 27,65,646 is 1.

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

• GCF of 64, 57, 667
• GCF of 47, 11, 811
• GCF of 36, 25, 957
• GCF of 45, 96, 615
• GCF of 29, 61, 734

1. What is the GCF of 27, 65, 646?

Answer: GCF of 27, 65, 646 is 1.

2. How to Find the GCF of 27, 65, 646

Answer: Greatest Common Factor(GCF) of 27, 65, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 65, 646) = 1.