Greatest Common Factor of 489, 478, 663

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

• Greatest Common Factor of 489, 478, 663 by common division method
• Greatest Common Factor of 489, 478, 663 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 478

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

1,2,239,478

Factors of 663

List of positive integer factors of 663 that divides 663 without a remainder.

1,3,13,17,39,51,221,663

Greatest Common Factor

We found the factors 489,478,663 . The biggest common factor number is the GCF number.
So the greatest common factor 489,478,663 is 1.

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

• GCF of 122, 866, 138
• GCF of 625, 346, 600
• GCF of 764, 853, 622
• GCF of 874, 299, 356
• GCF of 596, 806, 406

1. What is the GCF of 489, 478, 663?

Answer: GCF of 489, 478, 663 is 1.

2. How to Find the GCF of 489, 478, 663

Answer: Greatest Common Factor(GCF) of 489, 478, 663 = 1

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

Step 2: Then multiply all the prime factors GCF(489, 478, 663) = 1.