Greatest Common Factor of 61, 28, 22, 80

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

• Greatest Common Factor of 61, 28, 22, 80 by common division method
• Greatest Common Factor of 61, 28, 22, 80 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 61

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

1,61

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

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

Greatest Common Factor

We found the factors 61,28,22,80 . The biggest common factor number is the GCF number.
So the greatest common factor 61,28,22,80 is 1.

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

• GCF of 35, 16, 24, 92
• GCF of 92, 77, 22, 51
• GCF of 84, 66, 49, 45
• GCF of 17, 36, 34, 62
• GCF of 37, 51, 70, 39

1. What is the GCF of 61, 28, 22, 80?

Answer: GCF of 61, 28, 22, 80 is 1.

2. How to Find the GCF of 61, 28, 22, 80

Answer: Greatest Common Factor(GCF) of 61, 28, 22, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 28, 22, 80) = 1.