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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The smallest strobogrammatic prime, (emirp), concatenated from a pair of brilliant numbers, 1681=41^2 and 1891=31 x 61. Note that the concatenation in order of their distinct prime factors is also a prime, i.e., 314161. [Loungrides]




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