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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 608191 inverted (161809) becomes the smallest 2sphenic number whose concatenation of prime factors (43 × 53 × 71) create four primes, i.e., 435371, 437153, 534371, 537143. Can you find another such prime? [Loungrides]
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