Greatest Common Factor of 258, 390, 18

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

• Greatest Common Factor of 258, 390, 18 by common division method
• Greatest Common Factor of 258, 390, 18 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 3 = 6

Factors of 258

List of positive integer factors of 258 that divides 258 without a remainder.

1,2,3,6,43,86,129,258

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 258,390,18 . The biggest common factor number is the GCF number.
So the greatest common factor 258,390,18 is 6.

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

• GCF of 762, 637, 37
• GCF of 351, 941, 81
• GCF of 167, 486, 10
• GCF of 929, 637, 15
• GCF of 530, 851, 89

1. What is the GCF of 258, 390, 18?

Answer: GCF of 258, 390, 18 is 6.

2. How to Find the GCF of 258, 390, 18

Answer: Greatest Common Factor(GCF) of 258, 390, 18 = 6

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

Step 2: Then multiply all the prime factors GCF(258, 390, 18) = 6.