Greatest Common Factor of 680, 117, 489

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

• Greatest Common Factor of 680, 117, 489 by common division method
• Greatest Common Factor of 680, 117, 489 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 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Factors of 117

List of positive integer factors of 117 that divides 117 without a remainder.

1,3,9,13,39,117

Factors of 489

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

1,3,163,489

Greatest Common Factor

We found the factors 680,117,489 . The biggest common factor number is the GCF number.
So the greatest common factor 680,117,489 is 1.

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

• GCF of 873, 343, 634
• GCF of 896, 549, 877
• GCF of 752, 121, 621
• GCF of 937, 148, 150
• GCF of 209, 113, 509

1. What is the GCF of 680, 117, 489?

Answer: GCF of 680, 117, 489 is 1.

2. How to Find the GCF of 680, 117, 489

Answer: Greatest Common Factor(GCF) of 680, 117, 489 = 1

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

Step 2: Then multiply all the prime factors GCF(680, 117, 489) = 1.