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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The only prime in the following alphametic: UK USA + USSR  ABOMB.[Madachy] The largest prime containing only odd digits, in decreasing order. [Hasler] The largest prime formed from the concatenation of onedigit composite number, onedigit prime number, and onedigit number that is neither prime nor composite. [Wesolowski] The smallest emirp p which taken together with the pth prime, also an emirp (7649), forms yet another emirp (9717649). [Beedassy] The largest prime (emirp) formed from the complementary digits of the singledigit powers of 3, (3^0=1, 3^1=3, 3^2=9), i.e., 9, 7, 1. [Loungrides] King Solomon's reign began circa 971 BCE. [Jewish Encyclopedia]
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