Greatest Common Factor of 189, 353, 421

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

• Greatest Common Factor of 189, 353, 421 by common division method
• Greatest Common Factor of 189, 353, 421 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 353

List of positive integer factors of 353 that divides 353 without a remainder.

1,353

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 189,353,421 . The biggest common factor number is the GCF number.
So the greatest common factor 189,353,421 is 1.

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

• GCF of 678, 717, 854
• GCF of 930, 425, 704
• GCF of 417, 736, 911
• GCF of 741, 809, 279
• GCF of 108, 605, 666

1. What is the GCF of 189, 353, 421?

Answer: GCF of 189, 353, 421 is 1.

2. How to Find the GCF of 189, 353, 421

Answer: Greatest Common Factor(GCF) of 189, 353, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 353, 421) = 1.