Greatest Common Factor of 680, 770, 891

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

• Greatest Common Factor of 680, 770, 891 by common division method
• Greatest Common Factor of 680, 770, 891 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 770

List of positive integer factors of 770 that divides 770 without a remainder.

1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770

Factors of 891

List of positive integer factors of 891 that divides 891 without a remainder.

1,3,9,11,27,33,81,99,297,891

Greatest Common Factor

We found the factors 680,770,891 . The biggest common factor number is the GCF number.
So the greatest common factor 680,770,891 is 1.

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

• GCF of 502, 337, 647
• GCF of 811, 336, 430
• GCF of 685, 730, 988
• GCF of 723, 443, 408
• GCF of 304, 428, 971

1. What is the GCF of 680, 770, 891?

Answer: GCF of 680, 770, 891 is 1.

2. How to Find the GCF of 680, 770, 891

Answer: Greatest Common Factor(GCF) of 680, 770, 891 = 1

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

Step 2: Then multiply all the prime factors GCF(680, 770, 891) = 1.