80561...21747 (26-digits)

This number is a prime.

                                                805616 6352780240 6257321747

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Ramanujan's τ(n) function is composite for 2 ≤ n ≤ 63000. It is first prime at n = 63001. [Caldwell]

Submitted: 2008-03-12 20:03:12;   Last Modified: 2009-02-22 16:31:30.
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