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The nth Prime Page will now find any of the first 2.623˙10^{15} primes or
π(x) for x up to 10^{17}. Single Curio View: (Seek other curios for this number) The smallest prime p such that both 2p + 1 and 2^{p}  1 (= M_{p}) are primes. Note that both 2M_{p}  1 and 2^{Mp}  1 are also primes. [Beedassy]
Submitted: 20090827 02:27:27; Last Modified: 20091101 08:11:47.
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