# First 40 long primes

Long primes: Long prime in base b is a prime number p such that the formula (b^(p-1)-1)/p (where p does not divide b) gives a cyclic number.

First 40 long primes have values between 7 and 577.

Checkout list of first: 10, 50, 100, 500, 1000 long primes. You can also check all long primes.

## List#

7, 17, 19, 23, 29, 47, 59, 61, 97, 109, 113, 131, 149, 167, 179, 181, 193, 223, 229, 233, 257, 263, 269, 313, 337, 367, 379, 383, 389, 419, 433, 461, 487, 491, 499, 503, 509, 541, 571, 577

## Table#

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
---|---|---|---|---|---|---|---|---|---|---|

1 - 10 | 7 | 17 | 19 | 23 | 29 | 47 | 59 | 61 | 97 | 109 |

11 - 20 | 113 | 131 | 149 | 167 | 179 | 181 | 193 | 223 | 229 | 233 |

21 - 30 | 257 | 263 | 269 | 313 | 337 | 367 | 379 | 383 | 389 | 419 |

31 - 40 | 433 | 461 | 487 | 491 | 499 | 503 | 509 | 541 | 571 | 577 |

## Related#

- Learn more about Long primes.
- All long primes