Greatest Common Factor of 997, 478, 20

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

• Greatest Common Factor of 997, 478, 20 by common division method
• Greatest Common Factor of 997, 478, 20 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 997,478,20 . The biggest common factor number is the GCF number.
So the greatest common factor 997,478,20 is 1.

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

• GCF of 371, 251, 55
• GCF of 110, 917, 75
• GCF of 287, 740, 94
• GCF of 825, 499, 15
• GCF of 987, 710, 84

1. What is the GCF of 997, 478, 20?

Answer: GCF of 997, 478, 20 is 1.

2. How to Find the GCF of 997, 478, 20

Answer: Greatest Common Factor(GCF) of 997, 478, 20 = 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, 20) = 1.