Greatest Common Factor of 18, 209, 423

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

• Greatest Common Factor of 18, 209, 423 by common division method
• Greatest Common Factor of 18, 209, 423 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 209

List of positive integer factors of 209 that divides 209 without a remainder.

1,11,19,209

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Greatest Common Factor

We found the factors 18,209,423 . The biggest common factor number is the GCF number.
So the greatest common factor 18,209,423 is 1.

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

• GCF of 70, 727, 904
• GCF of 78, 222, 786
• GCF of 73, 273, 236
• GCF of 94, 874, 254
• GCF of 16, 465, 209

1. What is the GCF of 18, 209, 423?

Answer: GCF of 18, 209, 423 is 1.

2. How to Find the GCF of 18, 209, 423

Answer: Greatest Common Factor(GCF) of 18, 209, 423 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 209, 423) = 1.