Greatest Common Factor of 27, 80, 105, 663

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

• Greatest Common Factor of 27, 80, 105, 663 by common division method
• Greatest Common Factor of 27, 80, 105, 663 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Factors of 663

List of positive integer factors of 663 that divides 663 without a remainder.

1,3,13,17,39,51,221,663

Greatest Common Factor

We found the factors 27,80,105,663 . The biggest common factor number is the GCF number.
So the greatest common factor 27,80,105,663 is 1.

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

• GCF of 39, 67, 632, 167
• GCF of 72, 68, 143, 264
• GCF of 49, 44, 919, 579
• GCF of 27, 63, 368, 432
• GCF of 47, 99, 518, 797

1. What is the GCF of 27, 80, 105, 663?

Answer: GCF of 27, 80, 105, 663 is 1.

2. How to Find the GCF of 27, 80, 105, 663

Answer: Greatest Common Factor(GCF) of 27, 80, 105, 663 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 80, 105, 663) = 1.