Greatest Common Factor of 90, 18, 84, 249

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

• Greatest Common Factor of 90, 18, 84, 249 by common division method
• Greatest Common Factor of 90, 18, 84, 249 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 18

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

1,2,3,6,9,18

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Greatest Common Factor

We found the factors 90,18,84,249 . The biggest common factor number is the GCF number.
So the greatest common factor 90,18,84,249 is 3.

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

• GCF of 81, 36, 35, 952
• GCF of 52, 58, 54, 410
• GCF of 95, 91, 46, 949
• GCF of 95, 21, 75, 678
• GCF of 39, 64, 47, 823

1. What is the GCF of 90, 18, 84, 249?

Answer: GCF of 90, 18, 84, 249 is 3.

2. How to Find the GCF of 90, 18, 84, 249

Answer: Greatest Common Factor(GCF) of 90, 18, 84, 249 = 3

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

Step 2: Then multiply all the prime factors GCF(90, 18, 84, 249) = 3.