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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The only prime less than a googol formed from the concatenation in order of first multiples of 5 following by 1, (case n=2). [Loungrides] 5101 is the concatenation of the lessers of the twinprime pairs (5, 7) and (101, 103). The concatenation of the greaters, 7 and 103, gives 7103 which is a prime. [Galliani] The palindromic prime 1464641, which is the smallest palindromic prime with three fours, divides 5101!+1. [Galliani]
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