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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The telephone area code for Oakland County, Michigan. Interestingly, the words "Telephone code Oakland" have, respectively, 9, 4, and 7 digits. [Hartley] The smallest prime nontrivial partial sum of holey primes: 89 + 409 + 449 = 947 is prime. [Post] The largest 3digit prime whose absolute value of the differences between any two of its digits are also prime. Note that 947 is the sum of first three consecutive primes in the sequence of primes with this property, i.e., 163+257+461. [Loungrides] 947²=896809 is the smallest circulardigit prime square containing all possible circular digits (0, 6, 8, 9). It also contains as substrings the Cyclops prime 809 and its "blinded" cousin 89. [Leonardis]
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