Greatest Common Factor of 189, 322, 221

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

• Greatest Common Factor of 189, 322, 221 by common division method
• Greatest Common Factor of 189, 322, 221 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 322

List of positive integer factors of 322 that divides 322 without a remainder.

1,2,7,14,23,46,161,322

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Greatest Common Factor

We found the factors 189,322,221 . The biggest common factor number is the GCF number.
So the greatest common factor 189,322,221 is 1.

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

• GCF of 519, 274, 740
• GCF of 606, 533, 429
• GCF of 146, 848, 774
• GCF of 522, 682, 452
• GCF of 871, 883, 684

1. What is the GCF of 189, 322, 221?

Answer: GCF of 189, 322, 221 is 1.

2. How to Find the GCF of 189, 322, 221

Answer: Greatest Common Factor(GCF) of 189, 322, 221 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 322, 221) = 1.