Greatest Common Factor of 680, 856, 61

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

• Greatest Common Factor of 680, 856, 61 by common division method
• Greatest Common Factor of 680, 856, 61 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 856

List of positive integer factors of 856 that divides 856 without a remainder.

1,2,4,8,107,214,428,856

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Greatest Common Factor

We found the factors 680,856,61 . The biggest common factor number is the GCF number.
So the greatest common factor 680,856,61 is 1.

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

• GCF of 335, 342, 63
• GCF of 451, 339, 57
• GCF of 879, 796, 84
• GCF of 465, 971, 73
• GCF of 960, 691, 58

1. What is the GCF of 680, 856, 61?

Answer: GCF of 680, 856, 61 is 1.

2. How to Find the GCF of 680, 856, 61

Answer: Greatest Common Factor(GCF) of 680, 856, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(680, 856, 61) = 1.