Greatest Common Factor of 56, 80, 85, 620

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

• Greatest Common Factor of 56, 80, 85, 620 by common division method
• Greatest Common Factor of 56, 80, 85, 620 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 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 85

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

1,5,17,85

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Greatest Common Factor

We found the factors 56,80,85,620 . The biggest common factor number is the GCF number.
So the greatest common factor 56,80,85,620 is 1.

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

• GCF of 15, 82, 80, 617
• GCF of 45, 46, 60, 172
• GCF of 82, 20, 16, 635
• GCF of 41, 45, 57, 836
• GCF of 94, 94, 76, 717

1. What is the GCF of 56, 80, 85, 620?

Answer: GCF of 56, 80, 85, 620 is 1.

2. How to Find the GCF of 56, 80, 85, 620

Answer: Greatest Common Factor(GCF) of 56, 80, 85, 620 = 1

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

Step 2: Then multiply all the prime factors GCF(56, 80, 85, 620) = 1.