Greatest Common Factor of 15, 18, 66, 499

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

• Greatest Common Factor of 15, 18, 66, 499 by common division method
• Greatest Common Factor of 15, 18, 66, 499 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 18

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

1,2,3,6,9,18

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 499

List of positive integer factors of 499 that divides 499 without a remainder.

1,499

Greatest Common Factor

We found the factors 15,18,66,499 . The biggest common factor number is the GCF number.
So the greatest common factor 15,18,66,499 is 1.

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

• GCF of 22, 91, 14, 638
• GCF of 82, 92, 57, 332
• GCF of 80, 65, 45, 252
• GCF of 87, 93, 62, 160
• GCF of 57, 81, 31, 626

1. What is the GCF of 15, 18, 66, 499?

Answer: GCF of 15, 18, 66, 499 is 1.

2. How to Find the GCF of 15, 18, 66, 499

Answer: Greatest Common Factor(GCF) of 15, 18, 66, 499 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 18, 66, 499) = 1.