Greatest Common Factor of 80, 61, 17, 84

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

• Greatest Common Factor of 80, 61, 17, 84 by common division method
• Greatest Common Factor of 80, 61, 17, 84 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 61

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

1,61

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Greatest Common Factor

We found the factors 80,61,17,84 . The biggest common factor number is the GCF number.
So the greatest common factor 80,61,17,84 is 1.

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

• GCF of 60, 27, 14, 60
• GCF of 17, 93, 95, 20
• GCF of 91, 97, 54, 19
• GCF of 67, 35, 11, 69
• GCF of 42, 75, 82, 95

1. What is the GCF of 80, 61, 17, 84?

Answer: GCF of 80, 61, 17, 84 is 1.

2. How to Find the GCF of 80, 61, 17, 84

Answer: Greatest Common Factor(GCF) of 80, 61, 17, 84 = 1

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

Step 2: Then multiply all the prime factors GCF(80, 61, 17, 84) = 1.