Greatest Common Factor of 20, 85, 84, 844

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

• Greatest Common Factor of 20, 85, 84, 844 by common division method
• Greatest Common Factor of 20, 85, 84, 844 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 20

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

1,2,4,5,10,20

Factors of 85

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

1,5,17,85

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 844

List of positive integer factors of 844 that divides 844 without a remainder.

1,2,4,211,422,844

Greatest Common Factor

We found the factors 20,85,84,844 . The biggest common factor number is the GCF number.
So the greatest common factor 20,85,84,844 is 1.

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

• GCF of 56, 22, 63, 799
• GCF of 78, 34, 17, 969
• GCF of 98, 32, 53, 300
• GCF of 30, 44, 35, 470
• GCF of 81, 62, 66, 598

1. What is the GCF of 20, 85, 84, 844?

Answer: GCF of 20, 85, 84, 844 is 1.

2. How to Find the GCF of 20, 85, 84, 844

Answer: Greatest Common Factor(GCF) of 20, 85, 84, 844 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 85, 84, 844) = 1.