Factor Info

ID 158637
Size 1237 digits / 4109 bits
Status composite
Value 7147380399225976182984331832170040415024680188246461991943399187698863334351200945894455804603565607299684595189926984975784704076322299593345959177426161732478270553106484297774483051434000876678557440213282123123646205356558446028674135666051839863899435188010125138069660545361853213025685018292735307623975991802047186149786856879268096914481533753581217991996324207922506646084359806542243480040632445870444943552297110060670021093815500830989411213030424063037782521487643250484847082755449394789804727908286323153603516350030331636697601871296973479389471182432621742886596589224954666277686789314868030088212964876916920035209230559589575755841445291210651886341270616445379200298240543820038087768150941246562897943955395381185453278361939119939687371962633605500510805103571990674165952832962365899973471734706351035566797258808725910385188602695755294252862575227480012596222820287546791145936754247007997114799928503072809761268222960859575607883808776592473806379654105662402506512999406013113493319025992359018606692833537166404461225694922568093293483520125100108495120713121122040155780987497117336086504209492074747981394516342667845740328293190243521279182155068325023908558634710667273910855137616737397331425574116213

Factorizations

Primary (ID: 61958) 420675542314507855321 (proven prime)
(ID: 158638) 16990244690485026495790141975297491450263033336206889432248102636824874497866397734398136849054167732350357545463895979919852405858897872307969676100343628929718393343852877871168066940338528171745540850130652286421395214156235465611792141596406967351507986472828222510015514147709348921436665039467460325816624786716991111768644096087460295273989922250381876183477247070876559240569645192871421738363682187222535677941759267363831069526596727479901447860426158466832015808034355478457535571533757161037079699388106482173624324055487464313881909656486402780383302644145872064883225158412669884658441833581513632163726590485211487124406488497445105908946161752042837438007075826857382380387359149176293088467091576852030552852343428227232146711458836391614955649742973259118820415017752982747880603166550919045076456622471912899474123834931208228705167934660735893919821631758076268815094627635294057330034467539742154179877260985672175716002715619810632915961868299064788938512924306360502755065199691248619747191842265620146472374948905610194727116501852892363904584736026348994846866488392068156114398231238075960335486089781928786898791565572827306811705345329036549363155476390630398597942302118531709428104320253 (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.