Factor Info

ID 145519
Size 368 digits / 1220 bits
Status composite
Value 12313198280009272430588205155194085860505607337636439757183016191743880697483470420799245449196603714798386103174793200715610026798138559307762328856346043867092248257716048690305110215697387324991519578074226322136217771420858963478420618174624525535295052564921351979384338451193939638263577930587028706381782633808890715082944679378362286496816186232106351900209991

Factorizations

Primary (ID: 181363) 28415381400780005940035161715893 (proven prime)
(ID: 181364) 433328629531302843099142527908423004996555366049327323085035640151871503927630895785201761577033746430011587241432401965676908658954747118638305017187402692881857697607915409944506934935801784382100719853487788569173155513353084153311675899083259179827908424521544318671291848716893566418928705676025507767635634325577490054304872866187 (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.