Greatest Common Factor of 387, 105, 646

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

• Greatest Common Factor of 387, 105, 646 by common division method
• Greatest Common Factor of 387, 105, 646 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 387

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

1,3,9,43,129,387

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 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 387,105,646 . The biggest common factor number is the GCF number.
So the greatest common factor 387,105,646 is 1.

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

• GCF of 446, 379, 666
• GCF of 829, 250, 848
• GCF of 909, 149, 241
• GCF of 401, 498, 878
• GCF of 635, 168, 795

1. What is the GCF of 387, 105, 646?

Answer: GCF of 387, 105, 646 is 1.

2. How to Find the GCF of 387, 105, 646

Answer: Greatest Common Factor(GCF) of 387, 105, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(387, 105, 646) = 1.