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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Single Curio View: (Seek other curios for this number) 263 is the smallest prime number which is sum of primes beginning and ending with the digit 1. Note that the digit sum of each prime is prime and that the digit sum of 263 is beginning and ending with the digit 1: 263 = 11 + 101 + 151. [Capelle]
Submitted: 20050626 12:31:24; Last Modified: 20080130 11:28:00.
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