47784853865664217

This number is a prime.

                                                          4778485 3865664217

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+ The smallest prime obtained by adding together the cubes of the factorials of the first n odd numbers, i.e., (1!^3 + 3!^3 + 5!^3 + 7!^3 + 9!^3), (n=5). Curiously 5 is also an odd number. [Bajpai]

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