Greatest Common Factor of 18, 40, 43, 498

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

• Greatest Common Factor of 18, 40, 43, 498 by common division method
• Greatest Common Factor of 18, 40, 43, 498 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 18

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

1,2,3,6,9,18

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 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 498

List of positive integer factors of 498 that divides 498 without a remainder.

1,2,3,6,83,166,249,498

Greatest Common Factor

We found the factors 18,40,43,498 . The biggest common factor number is the GCF number.
So the greatest common factor 18,40,43,498 is 1.

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

• GCF of 30, 44, 51, 752
• GCF of 12, 49, 84, 269
• GCF of 24, 76, 95, 529
• GCF of 79, 97, 19, 551
• GCF of 81, 43, 65, 268

1. What is the GCF of 18, 40, 43, 498?

Answer: GCF of 18, 40, 43, 498 is 1.

2. How to Find the GCF of 18, 40, 43, 498

Answer: Greatest Common Factor(GCF) of 18, 40, 43, 498 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 40, 43, 498) = 1.