Greatest Common Factor of 20, 99, 69

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

• Greatest Common Factor of 20, 99, 69 by common division method
• Greatest Common Factor of 20, 99, 69 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 99

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

1,3,9,11,33,99

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Greatest Common Factor

We found the factors 20,99,69 . The biggest common factor number is the GCF number.
So the greatest common factor 20,99,69 is 1.

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

• GCF of 83, 19, 85
• GCF of 76, 15, 61
• GCF of 89, 79, 73
• GCF of 88, 57, 43
• GCF of 44, 34, 37

1. What is the GCF of 20, 99, 69?

Answer: GCF of 20, 99, 69 is 1.

2. How to Find the GCF of 20, 99, 69

Answer: Greatest Common Factor(GCF) of 20, 99, 69 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 99, 69) = 1.