Factor Info

ID 170642
Size 520 digits / 1728 bits
Status composite
Value 7951887679875187602792113353575184290455401043925616803337987316893484860936093879613913415924741553043060499682136308329107765045790395249478900124447482913524378490533461993461376756534261110724537352223488290098190430754617849307718161792095210599432178487303560343258663143917402658872129473974358171194893420974307887208444161115312147590093695719702041949991310026557194834616157481324474642864707360572619975003297213424544669977046103295588829120540934281459506650833175311470508630150273316806144998021256866863

Factorizations

Primary (ID: 169581) 3216360095420440000647920981755917426620881039 (proven prime)
(ID: 170643) 2472325064347536388376925150084655672937498076050558309278483405331250882825804402890626199700806035231451591959847032638963621583592177437344105079913158860261864903899878027141099044651241086927671379906724671981127470296918455383667196016507993787227518094163070623615535956382998881976136837557962387883644362297842038535019449803095321130240664871586952644857010466825093917180566209078832123914513346464262683558060701059017203901303286044051778305571114411273097822817 (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.