Greatest Common Factor of 105, 387, 19

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

• Greatest Common Factor of 105, 387, 19 by common division method
• Greatest Common Factor of 105, 387, 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 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1,3,9,43,129,387

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 105,387,19 . The biggest common factor number is the GCF number.
So the greatest common factor 105,387,19 is 1.

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

• GCF of 352, 798, 98
• GCF of 494, 528, 17
• GCF of 642, 679, 96
• GCF of 534, 471, 22
• GCF of 423, 891, 92

1. What is the GCF of 105, 387, 19?

Answer: GCF of 105, 387, 19 is 1.

2. How to Find the GCF of 105, 387, 19

Answer: Greatest Common Factor(GCF) of 105, 387, 19 = 1

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

Step 2: Then multiply all the prime factors GCF(105, 387, 19) = 1.