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(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)

+ The only five-digit palindromic prime formed from the three triangular digits. [Silva]

+ Repeat each digit d times and you will have another palindromic prime. [Silva]




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