Greatest Common Factor of 18, 345, 287

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

• Greatest Common Factor of 18, 345, 287 by common division method
• Greatest Common Factor of 18, 345, 287 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 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Factors of 287

List of positive integer factors of 287 that divides 287 without a remainder.

1,7,41,287

Greatest Common Factor

We found the factors 18,345,287 . The biggest common factor number is the GCF number.
So the greatest common factor 18,345,287 is 1.

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

• GCF of 52, 435, 299
• GCF of 93, 552, 599
• GCF of 57, 278, 214
• GCF of 39, 426, 506
• GCF of 71, 997, 779

1. What is the GCF of 18, 345, 287?

Answer: GCF of 18, 345, 287 is 1.

2. How to Find the GCF of 18, 345, 287

Answer: Greatest Common Factor(GCF) of 18, 345, 287 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 345, 287) = 1.