198585576189

This number is a composite.

                                                               19 8585576189

+ 198585576189 = 3^2 * 7^2 * 11^2 * 13^2 * 22021 is an 'odd perfect number' if we pretend that 22021 is prime. Still think an odd perfect number doesn't exist? [Antonious]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell