Greatest Common Factor of 20, 84, 26, 99

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

• Greatest Common Factor of 20, 84, 26, 99 by common division method
• Greatest Common Factor of 20, 84, 26, 99 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 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 26

List of positive integer factors of 26 that divides 26 without a remainder.

1,2,13,26

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Greatest Common Factor

We found the factors 20,84,26,99 . The biggest common factor number is the GCF number.
So the greatest common factor 20,84,26,99 is 1.

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

• GCF of 85, 14, 87, 69
• GCF of 39, 45, 59, 68
• GCF of 16, 22, 90, 28
• GCF of 71, 85, 37, 99
• GCF of 73, 34, 26, 14

1. What is the GCF of 20, 84, 26, 99?

Answer: GCF of 20, 84, 26, 99 is 1.

2. How to Find the GCF of 20, 84, 26, 99

Answer: Greatest Common Factor(GCF) of 20, 84, 26, 99 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 84, 26, 99) = 1.