Factor Info

ID 164349
Size 497 digits / 1651 bits
Status composite
Value 64402857551774884626831063774547943578417042894491722120054033824106662858744008543086945169291142303320617078288253384462609542278771958581275180936621255181422610977638077141534339593039793959777551591883720262437876436949570331961551572328550931061654559615285235760307518126320468859107126428668680676358065130501956355694223878684713383050119298415119828403426327558539601154162841427037785644083681782480600781170233640864819782143859258564711486890346325950224838617657299315486890517795739

Factorizations

Primary (ID: 195319) 267906666324735511631540787423632020669 (proven prime)
(ID: 196027) 240392889192651804947141509044035420653776270307743576170001728639062530507343210306516303310705962191823346900815605271923935168463184063229869067666165128304407474828313074068505480075839191329305441099530552692259662266858131756754543356914490525305972610833903471581861592906382123424290078354857151138756892038081617132703262083928698249694592692642659712472381695186447577551550404380181126166516633333080759635238838433925472962169964727599958726495031 (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.