Greatest Common Factor of 27, 60, 61, 405

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

• Greatest Common Factor of 27, 60, 61, 405 by common division method
• Greatest Common Factor of 27, 60, 61, 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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

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 27,60,61,405 . The biggest common factor number is the GCF number.
So the greatest common factor 27,60,61,405 is 1.

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

• GCF of 24, 14, 84, 319
• GCF of 81, 76, 33, 937
• GCF of 15, 19, 82, 578
• GCF of 53, 86, 29, 779
• GCF of 59, 36, 15, 984

1. What is the GCF of 27, 60, 61, 405?

Answer: GCF of 27, 60, 61, 405 is 1.

2. How to Find the GCF of 27, 60, 61, 405

Answer: Greatest Common Factor(GCF) of 27, 60, 61, 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, 60, 61, 405) = 1.