Greatest Common Factor of 390, 209, 243

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

• Greatest Common Factor of 390, 209, 243 by common division method
• Greatest Common Factor of 390, 209, 243 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 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 209

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

1,11,19,209

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Greatest Common Factor

We found the factors 390,209,243 . The biggest common factor number is the GCF number.
So the greatest common factor 390,209,243 is 1.

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

• GCF of 119, 513, 143
• GCF of 217, 893, 380
• GCF of 159, 540, 587
• GCF of 526, 949, 952
• GCF of 218, 900, 226

1. What is the GCF of 390, 209, 243?

Answer: GCF of 390, 209, 243 is 1.

2. How to Find the GCF of 390, 209, 243

Answer: Greatest Common Factor(GCF) of 390, 209, 243 = 1

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

Step 2: Then multiply all the prime factors GCF(390, 209, 243) = 1.