Greatest Common Factor of 997, 478, 18

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

• Greatest Common Factor of 997, 478, 18 by common division method
• Greatest Common Factor of 997, 478, 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 997

List of positive integer factors of 997 that divides 997 without a remainder.

1,997

Factors of 478

List of positive integer factors of 478 that divides 478 without a remainder.

1,2,239,478

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 997,478,18 . The biggest common factor number is the GCF number.
So the greatest common factor 997,478,18 is 1.

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

• GCF of 627, 285, 98
• GCF of 464, 408, 88
• GCF of 189, 743, 42
• GCF of 843, 437, 18
• GCF of 861, 578, 21

1. What is the GCF of 997, 478, 18?

Answer: GCF of 997, 478, 18 is 1.

2. How to Find the GCF of 997, 478, 18

Answer: Greatest Common Factor(GCF) of 997, 478, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(997, 478, 18) = 1.