185617

This number is a composite.

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phi(185617) = prime(1)*prime(8)*prime(5)*prime(6)*prime(1)*prime(7). The semiprime 185617 is the only known number (up to 10^8) with this property. [Firoozbakht]

Submitted: 2009-04-17 15:39:12; Last Modified: 2009-04-19 02:32:19.