The book is now available! 7499
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The largest possible (currently unassigned) Australian postcode.

+ 74999 begins and ends with 7499. [Wesolowski]

+ 74999 and 749917 each begins and ends with 7499. Discovered by Jeff Heleen and Fred Schneider. [Rivera]

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