2129
This number is a prime.
Just showing those entries submitted by 'Rivera': (Click here to show all)
The smallest prime Q = 2129 that produces 10 primes from the formula pi# + Q#/pi#, for i = 30, 92, 95, 161, 163, 164, 169, 278, 295 and 307. No other primorial is known that produces more than 10 primes. Found by Jan van Delden. [Rivera]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell