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52609 (another Prime Pages' Curiosity) |
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If we reverse the prime 52609 and square (906252 = 8212890625),
the last five digits are 52609 reversed. Note that 82128906252 = 67451572418212890625 ends
in 8212890625, while 5260982128142751547 (its reversal without the 6 on the end) is prime! [Kulsha]
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