Greatest Common Factor of 391, 330, 210

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

• Greatest Common Factor of 391, 330, 210 by common division method
• Greatest Common Factor of 391, 330, 210 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 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Factors of 330

List of positive integer factors of 330 that divides 330 without a remainder.

1,2,3,5,6,10,11,15,22,30,33,55,66,110,165,330

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Greatest Common Factor

We found the factors 391,330,210 . The biggest common factor number is the GCF number.
So the greatest common factor 391,330,210 is 1.

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

• GCF of 679, 646, 139
• GCF of 687, 242, 978
• GCF of 650, 359, 583
• GCF of 678, 883, 174
• GCF of 882, 429, 106

1. What is the GCF of 391, 330, 210?

Answer: GCF of 391, 330, 210 is 1.

2. How to Find the GCF of 391, 330, 210

Answer: Greatest Common Factor(GCF) of 391, 330, 210 = 1

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

Step 2: Then multiply all the prime factors GCF(391, 330, 210) = 1.