Greatest Common Factor of 18, 28, 90, 474

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

• Greatest Common Factor of 18, 28, 90, 474 by common division method
• Greatest Common Factor of 18, 28, 90, 474 with matching the biggest common factor

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∴ 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

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 474

List of positive integer factors of 474 that divides 474 without a remainder.

1,2,3,6,79,158,237,474

Greatest Common Factor

We found the factors 18,28,90,474 . The biggest common factor number is the GCF number.
So the greatest common factor 18,28,90,474 is 2.

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

• GCF of 87, 80, 98, 173
• GCF of 75, 90, 27, 418
• GCF of 58, 17, 44, 606
• GCF of 96, 24, 49, 848
• GCF of 48, 98, 52, 323

1. What is the GCF of 18, 28, 90, 474?

Answer: GCF of 18, 28, 90, 474 is 2.

2. How to Find the GCF of 18, 28, 90, 474

Answer: Greatest Common Factor(GCF) of 18, 28, 90, 474 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 28, 90, 474) = 2.