Greatest Common Factor of 489, 643, 31

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

• Greatest Common Factor of 489, 643, 31 by common division method
• Greatest Common Factor of 489, 643, 31 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 489

List of positive integer factors of 489 that divides 489 without a remainder.

1,3,163,489

Factors of 643

List of positive integer factors of 643 that divides 643 without a remainder.

1,643

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Greatest Common Factor

We found the factors 489,643,31 . The biggest common factor number is the GCF number.
So the greatest common factor 489,643,31 is 1.

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

• GCF of 627, 678, 66
• GCF of 579, 291, 29
• GCF of 179, 905, 58
• GCF of 923, 772, 30
• GCF of 699, 955, 49

1. What is the GCF of 489, 643, 31?

Answer: GCF of 489, 643, 31 is 1.

2. How to Find the GCF of 489, 643, 31

Answer: Greatest Common Factor(GCF) of 489, 643, 31 = 1

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

Step 2: Then multiply all the prime factors GCF(489, 643, 31) = 1.