Greatest Common Factor of 18, 12, 403

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

• Greatest Common Factor of 18, 12, 403 by common division method
• Greatest Common Factor of 18, 12, 403 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 403

List of positive integer factors of 403 that divides 403 without a remainder.

1,13,31,403

Greatest Common Factor

We found the factors 18,12,403 . The biggest common factor number is the GCF number.
So the greatest common factor 18,12,403 is 1.

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

• GCF of 20, 81, 446
• GCF of 32, 83, 923
• GCF of 43, 54, 911
• GCF of 89, 82, 814
• GCF of 16, 57, 119

1. What is the GCF of 18, 12, 403?

Answer: GCF of 18, 12, 403 is 1.

2. How to Find the GCF of 18, 12, 403

Answer: Greatest Common Factor(GCF) of 18, 12, 403 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 12, 403) = 1.