Factor Info
| ID | 19963 |
| Size | 241 digits / 798 bits |
| Status | proven prime |
| Value | 1111099888878889001111100000000000011110998888788890011222109988887889011221109998887788901111110999878890112222210987766677901122222109888790001111110988877889000111221098887888900112221099888878889001111100000000000011110998888788890011111 |