Factor Info

ID 147521
Size 347 digits / 1151 bits
Status composite
Value 18961447443120768511982427896194205927687263118352191956430560119727313678965354606654763340375602458339652476282548993839273133527071601956037683473114152112677610357458187662152802320841448421658873247075501218020866375915613089896365333121033769586571721759932940416513800835484445580755261214555607676614539769623332145359791264404818644766981

Factorizations

Primary (ID: 147074) 8418181933268901359893212846689066832649574728174313094689465758991 (proven prime)
(ID: 183043) 2252439730268191675281509934167648246121115443714907572662714558253808453302831028926725490434713600473834058383008913965402873392952568573104765544966571960059170805990557140369286048029064280989829043040676606312585806695725473706856929746888341214656122278291735150933371166891 (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.