Greatest Common Factor of 690, 680, 489

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

• Greatest Common Factor of 690, 680, 489 by common division method
• Greatest Common Factor of 690, 680, 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 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

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 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 690,680,489 . The biggest common factor number is the GCF number.
So the greatest common factor 690,680,489 is 1.

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

• GCF of 611, 877, 709
• GCF of 443, 474, 667
• GCF of 543, 279, 887
• GCF of 355, 647, 890
• GCF of 471, 856, 330

1. What is the GCF of 690, 680, 489?

Answer: GCF of 690, 680, 489 is 1.

2. How to Find the GCF of 690, 680, 489

Answer: Greatest Common Factor(GCF) of 690, 680, 489 = 1

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

Step 2: Then multiply all the prime factors GCF(690, 680, 489) = 1.