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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) This primedigit prime has sum of digits equal to 223, and 223 has sum of digits equal to 7. It is the largest primedigit prime with this property if all primes in the sequence are restricted to primedigit primes, where the final iterated sum of digits is 7. The primedigit prime for the next term of this sequence will be outrageously gigantic. [Sumpeloh]
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