Greatest Common Factor of 18, 79, 70, 130

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

• Greatest Common Factor of 18, 79, 70, 130 by common division method
• Greatest Common Factor of 18, 79, 70, 130 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 18

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

1,2,3,6,9,18

Factors of 79

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

1,79

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 130

List of positive integer factors of 130 that divides 130 without a remainder.

1,2,5,10,13,26,65,130

Greatest Common Factor

We found the factors 18,79,70,130 . The biggest common factor number is the GCF number.
So the greatest common factor 18,79,70,130 is 1.

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

• GCF of 49, 32, 61, 216
• GCF of 65, 24, 87, 156
• GCF of 18, 42, 51, 342
• GCF of 47, 36, 96, 101
• GCF of 83, 60, 45, 209

1. What is the GCF of 18, 79, 70, 130?

Answer: GCF of 18, 79, 70, 130 is 1.

2. How to Find the GCF of 18, 79, 70, 130

Answer: Greatest Common Factor(GCF) of 18, 79, 70, 130 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 79, 70, 130) = 1.