Greatest Common Factor of 79, 61, 51, 18

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

• Greatest Common Factor of 79, 61, 51, 18 by common division method
• Greatest Common Factor of 79, 61, 51, 18 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 79

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

1,79

Factors of 61

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

1,61

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 79,61,51,18 . The biggest common factor number is the GCF number.
So the greatest common factor 79,61,51,18 is 1.

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

• GCF of 38, 72, 93, 48
• GCF of 66, 34, 97, 95
• GCF of 16, 50, 74, 87
• GCF of 97, 52, 68, 91
• GCF of 71, 35, 37, 24

1. What is the GCF of 79, 61, 51, 18?

Answer: GCF of 79, 61, 51, 18 is 1.

2. How to Find the GCF of 79, 61, 51, 18

Answer: Greatest Common Factor(GCF) of 79, 61, 51, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(79, 61, 51, 18) = 1.