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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) The difference between an emirp and its reverse is always divisible by 18. So is 3191  1913 = 71 * 18. But, 1913 is the smallest emirp such that the difference is 18 times an emirp. [Poo Sung]
Submitted: 20180522 08:16:56; Last Modified: 20180522 08:25:14.
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