Greatest Common Factor of 18, 51, 406

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

• Greatest Common Factor of 18, 51, 406 by common division method
• Greatest Common Factor of 18, 51, 406 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 406

List of positive integer factors of 406 that divides 406 without a remainder.

1,2,7,14,29,58,203,406

Greatest Common Factor

We found the factors 18,51,406 . The biggest common factor number is the GCF number.
So the greatest common factor 18,51,406 is 1.

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

• GCF of 37, 58, 261
• GCF of 74, 25, 199
• GCF of 50, 10, 756
• GCF of 34, 39, 115
• GCF of 95, 23, 631

1. What is the GCF of 18, 51, 406?

Answer: GCF of 18, 51, 406 is 1.

2. How to Find the GCF of 18, 51, 406

Answer: Greatest Common Factor(GCF) of 18, 51, 406 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 51, 406) = 1.