The book is now available! 77577...77577 (25-digits)
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                                                 77577 7555755555 7555777577
+ The only square congruent prime of order 5 of form aabaaabbbabbbbbabbbaaabaa. Shall we call it a “rhombus” prime? Note that it is also a prime-digit prime. [Loungrides]

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