Greatest Common Factor of 80, 60, 15, 79, 66

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

• Greatest Common Factor of 80, 60, 15, 79, 66 by common division method
• Greatest Common Factor of 80, 60, 15, 79, 66 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 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 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Greatest Common Factor

We found the factors 80,60,15,79,66 . The biggest common factor number is the GCF number.
So the greatest common factor 80,60,15,79,66 is 1.

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

• GCF of 82, 31, 46, 35, 74
• GCF of 68, 18, 26, 38, 36
• GCF of 26, 14, 57, 73, 42
• GCF of 45, 23, 38, 63, 21
• GCF of 84, 15, 42, 53, 91

1. What is the GCF of 80, 60, 15, 79, 66?

Answer: GCF of 80, 60, 15, 79, 66 is 1.

2. How to Find the GCF of 80, 60, 15, 79, 66

Answer: Greatest Common Factor(GCF) of 80, 60, 15, 79, 66 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 60, 15, 79, 66) = 1.