Greatest Common Factor of 687, 378, 171

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

• Greatest Common Factor of 687, 378, 171 by common division method
• Greatest Common Factor of 687, 378, 171 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 687

List of positive integer factors of 687 that divides 687 without a remainder.

1,3,229,687

Factors of 378

List of positive integer factors of 378 that divides 378 without a remainder.

1,2,3,6,7,9,14,18,21,27,42,54,63,126,189,378

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Greatest Common Factor

We found the factors 687,378,171 . The biggest common factor number is the GCF number.
So the greatest common factor 687,378,171 is 3.

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

• GCF of 664, 678, 615
• GCF of 810, 545, 430
• GCF of 451, 851, 501
• GCF of 664, 501, 963
• GCF of 197, 425, 486

1. What is the GCF of 687, 378, 171?

Answer: GCF of 687, 378, 171 is 3.

2. How to Find the GCF of 687, 378, 171

Answer: Greatest Common Factor(GCF) of 687, 378, 171 = 3

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

Step 2: Then multiply all the prime factors GCF(687, 378, 171) = 3.