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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The smallest primemirp that is also an invertible prime. [Bhattacharya] The larger of the only two fivedigit palindromic primes formed from two primes (19 and 991), one of which is the sum of the digits of the other. [Silva] The smallest palindromic prime that is the sum of 17 consecutive prime numbers (1109 + ... + 1231 = 19991). [Schuler] The smallest palindromic Sophie Germain prime p such that p! and p^p both contain p as a string of the digits. Note that 19991 is an invertible prime also. [Bajpai]
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