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+ The smaller member in the first pair of Siamese primes that are both emirps. Siamese primes are prime pairs of the form (n^2 - 2, n^2 + 2). The sequence of pairs starts (7, 11), (79, 83), (223, 227), (439, 443), and (1087, 1091). These were named by Beauregard and Suryanarayan in 2001.




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