Greatest Common Factor of 189, 394, 646

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

• Greatest Common Factor of 189, 394, 646 by common division method
• Greatest Common Factor of 189, 394, 646 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 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Factors of 394

List of positive integer factors of 394 that divides 394 without a remainder.

1,2,197,394

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 189,394,646 . The biggest common factor number is the GCF number.
So the greatest common factor 189,394,646 is 1.

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

• GCF of 990, 446, 394
• GCF of 228, 871, 631
• GCF of 926, 265, 918
• GCF of 679, 534, 587
• GCF of 154, 326, 445

1. What is the GCF of 189, 394, 646?

Answer: GCF of 189, 394, 646 is 1.

2. How to Find the GCF of 189, 394, 646

Answer: Greatest Common Factor(GCF) of 189, 394, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 394, 646) = 1.