18518809
This number is a prime.
Single Curio View: (Seek other curios for this number)
In 1778, Euler proved that 18518809 was prime by showing
that it had a single representation in the form 1848x2 + y2. A remarkable feat for his time.
Submitted: 2006-08-20 03:51:18; Last Modified: 2008-08-01 02:12:45.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean