The book is now available! 97
(just those submitted by Silva)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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

Carla Kik © 2004
+ The smallest prime that can be expressed as the sum of first odd composite numbers (9 + 15 + 21 + 25 + 27). [Silva]

+ The sum of all prime factorials less than or equal to 97 is prime after subtracting 1. [Silva]

+ The smallest emirp followed by another with the same end digit. [Silva]

(There is one curio for this number that has not yet been approved by an editor.)




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