The book is now available! 89837...75321 (45-digits)
(just those submitted by Gupta)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

                           89837 9737167615 9534743413 7312923191 7131175321

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

+ The reverse concatenation of first 25 non-composites is prime. [Gupta]

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