19540909*2^690774+1
(207951 digits)
5761455*2^551907-1
(166148 digits)
5761455*2^544162-1
(163816 digits)
5761455*2^517136-1
(155681 digits)
19911001*2^508852+1
(153188 digits)
19911001*2^457932+1
(137859 digits)
19911001*2^404076+1
(121647 digits)
19911001*2^354096+1
(106601 digits)
19911001*2^287272+1
(86485 digits)