Greatest Common Factor of 85, 20, 728

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

• Greatest Common Factor of 85, 20, 728 by common division method
• Greatest Common Factor of 85, 20, 728 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 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

Greatest Common Factor

We found the factors 85,20,728 . The biggest common factor number is the GCF number.
So the greatest common factor 85,20,728 is 1.

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

• GCF of 39, 24, 120
• GCF of 66, 22, 258
• GCF of 21, 17, 819
• GCF of 60, 97, 995
• GCF of 64, 80, 468

1. What is the GCF of 85, 20, 728?

Answer: GCF of 85, 20, 728 is 1.

2. How to Find the GCF of 85, 20, 728

Answer: Greatest Common Factor(GCF) of 85, 20, 728 = 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, 728) = 1.