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25 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) 25 is the concatenation of 2 and 5 which are the only primes of the form 10n + 2 and 10n + 5. Note that 25 = 52. [Murthy]
Submitted: 2002-02-02 13:35:52; Last Modified: 2008-01-30 11:28:00.
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