Greatest Common Factor of 680, 870, 397

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

• Greatest Common Factor of 680, 870, 397 by common division method
• Greatest Common Factor of 680, 870, 397 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 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 680,870,397 . The biggest common factor number is the GCF number.
So the greatest common factor 680,870,397 is 1.

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

• GCF of 186, 385, 558
• GCF of 323, 217, 573
• GCF of 966, 629, 338
• GCF of 155, 423, 748
• GCF of 950, 704, 383

1. What is the GCF of 680, 870, 397?

Answer: GCF of 680, 870, 397 is 1.

2. How to Find the GCF of 680, 870, 397

Answer: Greatest Common Factor(GCF) of 680, 870, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(680, 870, 397) = 1.