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Old 2009-04-09, 11:04   #10
schickel
 
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"Frank <^>"
Dec 2004
CDP Janesville

84A16 Posts
Default How about a 4-digit prime squared?

Here's one from 110432:
Code:
 1613 .  883866359463668463521525972362866107318450543014047075048557464839182863055364072700728788483776 = 2^6 * 17 * 439 * 1607^2 * 1733309 * 413414251171984964928943833274782930952904102537554377365457011053267334799073
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