Factor Info
| ID | 15819 |
| Size | 207 digits / 688 bits |
| Status | composite |
| Value | 863925269718507075712782737857488895322118803394680663792068403955856057110610256544205302104053394681385188970063933195551389888324184906511865175811127759288964243563214442572539036332431076825085789058401 |
Factorizations
| Primary | (ID: 10516) 13306320418205909319940605309019024034703545187073 (proven prime) |
| (ID: 15820) 64925933132984790038659703790801262689848869033958166427526036980251838198335449471636507133982879478234759063544078550478282068253223822747906327194598627937 (composite) |
Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.