Greatest Common Factor of 18, 72, 40, 493

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

• Greatest Common Factor of 18, 72, 40, 493 by common division method
• Greatest Common Factor of 18, 72, 40, 493 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 18

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

1,2,3,6,9,18

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 493

List of positive integer factors of 493 that divides 493 without a remainder.

1,17,29,493

Greatest Common Factor

We found the factors 18,72,40,493 . The biggest common factor number is the GCF number.
So the greatest common factor 18,72,40,493 is 1.

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

• GCF of 80, 79, 54, 406
• GCF of 63, 95, 71, 504
• GCF of 23, 90, 41, 366
• GCF of 81, 34, 84, 806
• GCF of 91, 28, 66, 791

1. What is the GCF of 18, 72, 40, 493?

Answer: GCF of 18, 72, 40, 493 is 1.

2. How to Find the GCF of 18, 72, 40, 493

Answer: Greatest Common Factor(GCF) of 18, 72, 40, 493 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 72, 40, 493) = 1.