Greatest Common Factor of 13, 18, 90, 218

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

• Greatest Common Factor of 13, 18, 90, 218 by common division method
• Greatest Common Factor of 13, 18, 90, 218 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 18

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

1,2,3,6,9,18

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 218

List of positive integer factors of 218 that divides 218 without a remainder.

1,2,109,218

Greatest Common Factor

We found the factors 13,18,90,218 . The biggest common factor number is the GCF number.
So the greatest common factor 13,18,90,218 is 1.

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

• GCF of 98, 31, 35, 709
• GCF of 39, 26, 47, 459
• GCF of 84, 66, 70, 609
• GCF of 16, 73, 89, 584
• GCF of 72, 43, 23, 850

1. What is the GCF of 13, 18, 90, 218?

Answer: GCF of 13, 18, 90, 218 is 1.

2. How to Find the GCF of 13, 18, 90, 218

Answer: Greatest Common Factor(GCF) of 13, 18, 90, 218 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 18, 90, 218) = 1.