Greatest Common Factor of 27, 155, 621

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

• Greatest Common Factor of 27, 155, 621 by common division method
• Greatest Common Factor of 27, 155, 621 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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Greatest Common Factor

We found the factors 27,155,621 . The biggest common factor number is the GCF number.
So the greatest common factor 27,155,621 is 1.

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

• GCF of 93, 806, 546
• GCF of 42, 266, 806
• GCF of 96, 824, 568
• GCF of 19, 212, 479
• GCF of 65, 697, 488

1. What is the GCF of 27, 155, 621?

Answer: GCF of 27, 155, 621 is 1.

2. How to Find the GCF of 27, 155, 621

Answer: Greatest Common Factor(GCF) of 27, 155, 621 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 155, 621) = 1.