The book is now available! 9876543211
(just those submitted by Silva)
Prime Curios!
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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)

+ 9876543210 plus 1 equals 10^10 minus 123456789. [Silva]

+ Equals 10^10 minus strings of one to nine 1's: 10000000000-1-11-111-1111-11111-111111-1111111-11111111-111111111. [Silva]

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