Greatest Common Factor of 27, 40, 405

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

• Greatest Common Factor of 27, 40, 405 by common division method
• Greatest Common Factor of 27, 40, 405 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Greatest Common Factor

We found the factors 27,40,405 . The biggest common factor number is the GCF number.
So the greatest common factor 27,40,405 is 1.

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

• GCF of 34, 93, 517
• GCF of 26, 17, 470
• GCF of 60, 23, 742
• GCF of 60, 16, 456
• GCF of 77, 47, 599

1. What is the GCF of 27, 40, 405?

Answer: GCF of 27, 40, 405 is 1.

2. How to Find the GCF of 27, 40, 405

Answer: Greatest Common Factor(GCF) of 27, 40, 405 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 40, 405) = 1.