Greatest Common Factor of 18, 74, 90, 88, 20

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

• Greatest Common Factor of 18, 74, 90, 88, 20 by common division method
• Greatest Common Factor of 18, 74, 90, 88, 20 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 74

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

1,2,37,74

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

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 18,74,90,88,20 . The biggest common factor number is the GCF number.
So the greatest common factor 18,74,90,88,20 is 2.

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

• GCF of 22, 44, 49, 37, 99
• GCF of 70, 70, 69, 86, 56
• GCF of 92, 39, 30, 77, 52
• GCF of 33, 61, 48, 21, 93
• GCF of 23, 79, 45, 49, 74

1. What is the GCF of 18, 74, 90, 88, 20?

Answer: GCF of 18, 74, 90, 88, 20 is 2.

2. How to Find the GCF of 18, 74, 90, 88, 20

Answer: Greatest Common Factor(GCF) of 18, 74, 90, 88, 20 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 74, 90, 88, 20) = 2.