Greatest Common Factor of 18, 71, 249

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

• Greatest Common Factor of 18, 71, 249 by common division method
• Greatest Common Factor of 18, 71, 249 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 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Greatest Common Factor

We found the factors 18,71,249 . The biggest common factor number is the GCF number.
So the greatest common factor 18,71,249 is 1.

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

• GCF of 54, 48, 670
• GCF of 33, 39, 962
• GCF of 99, 25, 113
• GCF of 26, 34, 366
• GCF of 74, 86, 954

1. What is the GCF of 18, 71, 249?

Answer: GCF of 18, 71, 249 is 1.

2. How to Find the GCF of 18, 71, 249

Answer: Greatest Common Factor(GCF) of 18, 71, 249 = 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, 249) = 1.