Greatest Common Factor of 189, 343, 57

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

• Greatest Common Factor of 189, 343, 57 by common division method
• Greatest Common Factor of 189, 343, 57 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 343

List of positive integer factors of 343 that divides 343 without a remainder.

1,7,49,343

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Greatest Common Factor

We found the factors 189,343,57 . The biggest common factor number is the GCF number.
So the greatest common factor 189,343,57 is 1.

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

• GCF of 960, 669, 19
• GCF of 479, 277, 62
• GCF of 979, 935, 23
• GCF of 343, 486, 53
• GCF of 145, 392, 62

1. What is the GCF of 189, 343, 57?

Answer: GCF of 189, 343, 57 is 1.

2. How to Find the GCF of 189, 343, 57

Answer: Greatest Common Factor(GCF) of 189, 343, 57 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 343, 57) = 1.