Greatest Common Factor of 27, 20, 72, 655

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

• Greatest Common Factor of 27, 20, 72, 655 by common division method
• Greatest Common Factor of 27, 20, 72, 655 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 655

List of positive integer factors of 655 that divides 655 without a remainder.

1,5,131,655

Greatest Common Factor

We found the factors 27,20,72,655 . The biggest common factor number is the GCF number.
So the greatest common factor 27,20,72,655 is 1.

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

• GCF of 88, 53, 24, 537
• GCF of 79, 19, 22, 626
• GCF of 20, 56, 96, 375
• GCF of 51, 62, 10, 363
• GCF of 42, 73, 67, 203

1. What is the GCF of 27, 20, 72, 655?

Answer: GCF of 27, 20, 72, 655 is 1.

2. How to Find the GCF of 27, 20, 72, 655

Answer: Greatest Common Factor(GCF) of 27, 20, 72, 655 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 20, 72, 655) = 1.