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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The greatest prime factor of any 14digit repdigit is 909091. [La Haye] The only prime of period fourteen. Note that 909091 contains 9091, the only prime of period ten. [Beedassy] 909091 is a factor of 1010101010101. [Pimentel] The largest unique emirp. [Loungrides] The largest prime factor, (emirp), of any number formed by repeating two times any 7digit number or seven times any doubledigit number. [Loungrides]
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