Greatest Common Factor of 402, 855, 18

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

• Greatest Common Factor of 402, 855, 18 by common division method
• Greatest Common Factor of 402, 855, 18 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 402

List of positive integer factors of 402 that divides 402 without a remainder.

1,2,3,6,67,134,201,402

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 402,855,18 . The biggest common factor number is the GCF number.
So the greatest common factor 402,855,18 is 3.

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

• GCF of 317, 594, 38
• GCF of 641, 732, 80
• GCF of 112, 577, 18
• GCF of 855, 367, 64
• GCF of 429, 740, 14

1. What is the GCF of 402, 855, 18?

Answer: GCF of 402, 855, 18 is 3.

2. How to Find the GCF of 402, 855, 18

Answer: Greatest Common Factor(GCF) of 402, 855, 18 = 3

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

Step 2: Then multiply all the prime factors GCF(402, 855, 18) = 3.