Greatest Common Factor of 391, 663, 102

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

• Greatest Common Factor of 391, 663, 102 by common division method
• Greatest Common Factor of 391, 663, 102 with matching the biggest common factor

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∴ So the GCF of the given numbers is 17 = 17

Factors of 391

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

1,17,23,391

Factors of 663

List of positive integer factors of 663 that divides 663 without a remainder.

1,3,13,17,39,51,221,663

Factors of 102

List of positive integer factors of 102 that divides 102 without a remainder.

1,2,3,6,17,34,51,102

Greatest Common Factor

We found the factors 391,663,102 . The biggest common factor number is the GCF number.
So the greatest common factor 391,663,102 is 17.

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

• GCF of 947, 413, 590
• GCF of 333, 813, 601
• GCF of 881, 122, 882
• GCF of 451, 805, 239
• GCF of 564, 113, 504

1. What is the GCF of 391, 663, 102?

Answer: GCF of 391, 663, 102 is 17.

2. How to Find the GCF of 391, 663, 102

Answer: Greatest Common Factor(GCF) of 391, 663, 102 = 17

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

Step 2: Then multiply all the prime factors GCF(391, 663, 102) = 17.