38337...11753 (198-digits)
This number is a prime.
38337937 3367359353 3493473373 3131731331 1307293283 2812772712
6926325725 1241239233 2292272232 1119919719 3191181179 1731671631 5715114913
9137131127 1131091071 0310197898 3797371676 1595347434 1373129231 9171311753
The reverse concatenation of first 75 odd primes is prime. [Gupta]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell