Greatest Common Factor of 20, 99, 74

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

• Greatest Common Factor of 20, 99, 74 by common division method
• Greatest Common Factor of 20, 99, 74 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Greatest Common Factor

We found the factors 20,99,74 . The biggest common factor number is the GCF number.
So the greatest common factor 20,99,74 is 1.

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

• GCF of 43, 57, 42
• GCF of 91, 49, 95
• GCF of 60, 37, 99
• GCF of 38, 23, 90
• GCF of 15, 20, 96

1. What is the GCF of 20, 99, 74?

Answer: GCF of 20, 99, 74 is 1.

2. How to Find the GCF of 20, 99, 74

Answer: Greatest Common Factor(GCF) of 20, 99, 74 = 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, 74) = 1.