11111...11111 (23611-digits)
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Prime Puzzio
Test Number
GIMPS
has discovered a new
largest known prime number
: 2
82589933
-1 (24,862,048 digits)
(((10^11-1)/9)*10^20+111*10^14)*(10^(1180*20)-1)/((10^20-1)/1)+((10^11-1)/9) is a "tetradic superpalindrome
probable prime
" with many lines of symmetry. [
Stath
]
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