Number Info
| ID | 12391 |
| Size | 298 digits / 989 bits |
| Value | 3966429285407529921394908442226036665100384520386525595915609113608136930893393660492705755596887348028949655039469371122759577214819997972745574349800734551266916814851890082490643124024597309820390138550903218162099558981948459624059059594356896155179095061453292635684480362009266591676044147807 |
| Progress | 9.38% |
| Completed | no |
| Small factors | 2207 × 8543 |
| Cofactor | 210371535293406028724800562066439377474807315299304687320250010255331735592840825889547260376868368718208001147290193473808029075801453356844673789944360181544187843191193933049935827928163684957182683159804611038139029661135798460214093229180651040315685184666078367362849679605799547367007 (composite) |
Factorization
Format: number = small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
3966429285407529921394908442226036665100384520386525595915609113608136930893393660492705755596887348028949655039469371122759577214819997972745574349800734551266916814851890082490643124024597309820390138550903218162099558981948459624059059594356896155179095061453292635684480362009266591676044147807 = 2207 × 8543 × 429409191453976993729<21> × [489909250850195472000976067499747741071511565158373998948233696383487036760067954444806231788980763461864887381652539347492128995413359375479795147140541441425648546389491840396857097334050825217323187341727409267626396483020675217282315927623289716727209434744166487583<270>]
Categories
- Lucas Sequence (index 1424)