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(just those submitted by Firoozbakht)
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GIMPS has discovered a new largest known prime number: 282589933-1 (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.)




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