Greatest Common Factor of 20, 24, 99, 90

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

• Greatest Common Factor of 20, 24, 99, 90 by common division method
• Greatest Common Factor of 20, 24, 99, 90 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 99

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

1,3,9,11,33,99

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 20,24,99,90 . The biggest common factor number is the GCF number.
So the greatest common factor 20,24,99,90 is 1.

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

• GCF of 39, 36, 75, 42
• GCF of 91, 86, 33, 93
• GCF of 36, 36, 31, 74
• GCF of 79, 30, 17, 94
• GCF of 64, 72, 77, 78

1. What is the GCF of 20, 24, 99, 90?

Answer: GCF of 20, 24, 99, 90 is 1.

2. How to Find the GCF of 20, 24, 99, 90

Answer: Greatest Common Factor(GCF) of 20, 24, 99, 90 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 24, 99, 90) = 1.