Greatest Common Factor of 27, 45, 18, 209

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

• Greatest Common Factor of 27, 45, 18, 209 by common division method
• Greatest Common Factor of 27, 45, 18, 209 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

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

Greatest Common Factor

We found the factors 27,45,18,209 . The biggest common factor number is the GCF number.
So the greatest common factor 27,45,18,209 is 1.

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

• GCF of 46, 74, 96, 780
• GCF of 18, 36, 59, 471
• GCF of 99, 42, 99, 574
• GCF of 30, 45, 48, 352
• GCF of 60, 26, 49, 304

1. What is the GCF of 27, 45, 18, 209?

Answer: GCF of 27, 45, 18, 209 is 1.

2. How to Find the GCF of 27, 45, 18, 209

Answer: Greatest Common Factor(GCF) of 27, 45, 18, 209 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 45, 18, 209) = 1.