69522569

This number is a prime.

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The longest strobogrammatic prime duration that can be timed using a seven-segment digital chronometer stopwatch in hours, minutes, seconds, and hundredths of a second is 69:52:25:69. [Beedassy]

Submitted: 2008-01-30 02:23:24; Last Modified: 2008-01-30 19:52:52.