Greatest Common Factor of 399, 271, 820, 17

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

• Greatest Common Factor of 399, 271, 820, 17 by common division method
• Greatest Common Factor of 399, 271, 820, 17 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 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 271

List of positive integer factors of 271 that divides 271 without a remainder.

1,271

Factors of 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Greatest Common Factor

We found the factors 399,271,820,17 . The biggest common factor number is the GCF number.
So the greatest common factor 399,271,820,17 is 1.

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

• GCF of 529, 865, 668, 94
• GCF of 711, 800, 247, 28
• GCF of 447, 527, 241, 65
• GCF of 924, 708, 661, 60
• GCF of 327, 311, 567, 33

1. What is the GCF of 399, 271, 820, 17?

Answer: GCF of 399, 271, 820, 17 is 1.

2. How to Find the GCF of 399, 271, 820, 17

Answer: Greatest Common Factor(GCF) of 399, 271, 820, 17 = 1

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

Step 2: Then multiply all the prime factors GCF(399, 271, 820, 17) = 1.