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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 prime formed from the concatenation of two semiprimes (10 and 21) whose prime factors consist of the four prime digits. [Silva]

+ The smallest prime whose sum of digits and digital length are squares. [Silva]

+ The smallest emirp which begins and ends with the same digit. [Silva]

(There are 2 curios for this number that have not yet been approved by an editor.)

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