Greatest Common Factor of 397, 203, 209

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

• Greatest Common Factor of 397, 203, 209 by common division method
• Greatest Common Factor of 397, 203, 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 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Factors of 203

List of positive integer factors of 203 that divides 203 without a remainder.

1,7,29,203

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 397,203,209 . The biggest common factor number is the GCF number.
So the greatest common factor 397,203,209 is 1.

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

• GCF of 194, 441, 117
• GCF of 329, 478, 387
• GCF of 824, 967, 962
• GCF of 447, 625, 890
• GCF of 466, 116, 795

1. What is the GCF of 397, 203, 209?

Answer: GCF of 397, 203, 209 is 1.

2. How to Find the GCF of 397, 203, 209

Answer: Greatest Common Factor(GCF) of 397, 203, 209 = 1

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

Step 2: Then multiply all the prime factors GCF(397, 203, 209) = 1.