Factor Info

ID 164385
Size 523 digits / 1737 bits
Status composite
Value 4320867712127746476140304329246619327817172548936510098076058834080001469772186913660161798138010113645563339677027352842629559580651765638711901143500509329214167000547191994804629137742435166546086200978246376149868810983893146857183436311431100463184196819905242347181078868876774648712074326417852810773972048570965512899684828707807391217860452542854373766271167884331832013657878440947359193544100047454204952086316678363800044597695409070150965886533172896931985902444893532668183729662972295190109777031186818960741

Factorizations

Primary (ID: 163520) 3900350408237898825485900551 (proven prime)
(ID: 196058) 1107815262700929748435156180237680473264341219639703498815387020244486724123261878179457764295352519992834094525181748011650261510519694665447229262375605882715557358808066001477515488539547135617496903983383862869602586639424128752755744556523540650434847126150060881990929570647845174826214951496428547864151422971603612855017428289101453684957683649518301692781427960007788521508437247184234103809349630638953119770353604460359770142600287826198667275613631817049045782683425506875978337680691 (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.