124

This number is a composite.

Just showing those entries submitted by 'Gaydos': (Click here to show all)

+ The concatenation of 1^124, 2^124, 3^124, 4^124, 5^124, 6^124, and 7^124 in order is a 463-digit prime number. [Gaydos]

(There is one curio for this number that has not yet been approved by an editor.)

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