Greatest Common Factor of 56, 85, 680

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

• Greatest Common Factor of 56, 85, 680 by common division method
• Greatest Common Factor of 56, 85, 680 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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

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

Greatest Common Factor

We found the factors 56,85,680 . The biggest common factor number is the GCF number.
So the greatest common factor 56,85,680 is 1.

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

• GCF of 89, 59, 438
• GCF of 35, 11, 102
• GCF of 61, 70, 950
• GCF of 60, 14, 849
• GCF of 19, 33, 548

1. What is the GCF of 56, 85, 680?

Answer: GCF of 56, 85, 680 is 1.

2. How to Find the GCF of 56, 85, 680

Answer: Greatest Common Factor(GCF) of 56, 85, 680 = 1

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

Step 2: Then multiply all the prime factors GCF(56, 85, 680) = 1.