Greatest Common Factor of 18, 71, 980

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

• Greatest Common Factor of 18, 71, 980 by common division method
• Greatest Common Factor of 18, 71, 980 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 980

List of positive integer factors of 980 that divides 980 without a remainder.

1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980

Greatest Common Factor

We found the factors 18,71,980 . The biggest common factor number is the GCF number.
So the greatest common factor 18,71,980 is 1.

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

• GCF of 52, 68, 761
• GCF of 14, 71, 675
• GCF of 98, 78, 823
• GCF of 78, 84, 718
• GCF of 87, 90, 875

1. What is the GCF of 18, 71, 980?

Answer: GCF of 18, 71, 980 is 1.

2. How to Find the GCF of 18, 71, 980

Answer: Greatest Common Factor(GCF) of 18, 71, 980 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 71, 980) = 1.