Greatest Common Factor of 99, 12, 20, 86

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

• Greatest Common Factor of 99, 12, 20, 86 by common division method
• Greatest Common Factor of 99, 12, 20, 86 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 99

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

1,3,9,11,33,99

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 20

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

1,2,4,5,10,20

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Greatest Common Factor

We found the factors 99,12,20,86 . The biggest common factor number is the GCF number.
So the greatest common factor 99,12,20,86 is 1.

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

• GCF of 85, 49, 51, 71
• GCF of 87, 89, 11, 42
• GCF of 92, 12, 51, 61
• GCF of 31, 37, 28, 55
• GCF of 69, 13, 46, 58

1. What is the GCF of 99, 12, 20, 86?

Answer: GCF of 99, 12, 20, 86 is 1.

2. How to Find the GCF of 99, 12, 20, 86

Answer: Greatest Common Factor(GCF) of 99, 12, 20, 86 = 1

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

Step 2: Then multiply all the prime factors GCF(99, 12, 20, 86) = 1.