The book is now available! 100011710001211000133
(just those submitted by Mortreuil)
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                                                     1 0001171000 1211000133

Just showing those entries submitted by 'Mortreuil': (Click here to show all)

+ 100011710001211000133 is the smallest 21-digit prime formed with three successive 7-digit primes. Note that 7 divides 21. [Mortreuil]




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