Professor Cardy

Prime Number Calculator

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Enter an integer (max. 1,000,000)


9991 = 97 × 103

9991 is not a prime number.

All divisors of 9991 (total: 4):
1, 97, 103, 9991

About the Calculator

This calculator performs the decomposition of a number into its prime factors and lists all its natural divisors. Enter an integer between 1 and 1,000,000.

Curiosities

Enter a prime number to see curiosities about prime numbers!

The First 10,000 Prime Numbers