Greatest Common Factor of 189, 747, 19

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

• Greatest Common Factor of 189, 747, 19 by common division method
• Greatest Common Factor of 189, 747, 19 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 747

List of positive integer factors of 747 that divides 747 without a remainder.

1,3,9,83,249,747

Factors of 19

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

1,19

Greatest Common Factor

We found the factors 189,747,19 . The biggest common factor number is the GCF number.
So the greatest common factor 189,747,19 is 1.

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

• GCF of 300, 467, 14
• GCF of 639, 989, 35
• GCF of 237, 422, 79
• GCF of 400, 666, 61
• GCF of 292, 838, 88

1. What is the GCF of 189, 747, 19?

Answer: GCF of 189, 747, 19 is 1.

2. How to Find the GCF of 189, 747, 19

Answer: Greatest Common Factor(GCF) of 189, 747, 19 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 747, 19) = 1.