Greatest Common Factor of 71, 43, 19, 189

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

• Greatest Common Factor of 71, 43, 19, 189 by common division method
• Greatest Common Factor of 71, 43, 19, 189 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 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 189

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

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

Greatest Common Factor

We found the factors 71,43,19,189 . The biggest common factor number is the GCF number.
So the greatest common factor 71,43,19,189 is 1.

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

• GCF of 75, 97, 81, 932
• GCF of 54, 20, 26, 150
• GCF of 14, 47, 93, 499
• GCF of 43, 82, 86, 452
• GCF of 13, 61, 84, 572

1. What is the GCF of 71, 43, 19, 189?

Answer: GCF of 71, 43, 19, 189 is 1.

2. How to Find the GCF of 71, 43, 19, 189

Answer: Greatest Common Factor(GCF) of 71, 43, 19, 189 = 1

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

Step 2: Then multiply all the prime factors GCF(71, 43, 19, 189) = 1.