
Curios:
Curios Search:
Participate: 
GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Just showing those entries submitted by 'Firoozbakht': (Click here to show all) The smallest emirp p such that reversal(p*reversal(p)) is prime. [Firoozbakht]191^181 = 179^173 (mod 167). Note that 167, 173, 179, 181 and 191 are five consecutive primes. [Firoozbakht] The smallest emirp p such that both numbers prime(p) and prime(prime(p)) are emirp. [Firoozbakht]
(There is one curio for this number that has not yet been approved by an editor.)
Prime Curios! © 20002019 (all rights
reserved)
privacy statement
(This page was generated in 0.0122 seconds.)
