Greatest Common Factor of 85, 20, 56, 523

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

• Greatest Common Factor of 85, 20, 56, 523 by common division method
• Greatest Common Factor of 85, 20, 56, 523 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 85

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

1,5,17,85

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

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 523

List of positive integer factors of 523 that divides 523 without a remainder.

1,523

Greatest Common Factor

We found the factors 85,20,56,523 . The biggest common factor number is the GCF number.
So the greatest common factor 85,20,56,523 is 1.

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

• GCF of 34, 28, 80, 143
• GCF of 19, 45, 56, 165
• GCF of 89, 76, 16, 736
• GCF of 58, 56, 34, 734
• GCF of 99, 92, 49, 401

1. What is the GCF of 85, 20, 56, 523?

Answer: GCF of 85, 20, 56, 523 is 1.

2. How to Find the GCF of 85, 20, 56, 523

Answer: Greatest Common Factor(GCF) of 85, 20, 56, 523 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 20, 56, 523) = 1.