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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The last 143 digits of 143^{143} form a prime number. [De Geest] The smallest number which is biprime brilliant in all radices from 2 to 10. [Hartley] The number of threedigit primes. [Patterson] 100^143  143 is prime. Note that 143 is the second number with this property. [Firoozbakht] The smallest tnaillirb, i.e., a brilliant number whose reversal is a different brilliant number. This is a special subset of emirpimes, with only 102 examples below 100000. [Post] 143^{2} divides 143143. I love you, but now find a prime example like this. [Meller] The smallest composite number c such that 5^c+2 is prime. [Loungrides]
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