Factor Info

ID 198378
Size 1038 digits / 3448 bits
Status composite
Value 621624856814153108120184426691728747445206803198887449355477572190380727573686020789741651756994314503252070314402477462807061508375714676944009581514120174133186754279446783874113098955144065795720683990893072700907056358898358974282001166512378140390068748566952291894151861289214868230518343252596369180247602393358698900747578310301473408073204291385710285694805235387796640520164452998189514534864196979739986217802466710695662901439787685760571798313901255627755559863477782344358998792546677937282702353657584046115105843383415136774656614925682389577340580882517571819541755001188277104953004248827150403939155684030535039383745788370860742788013999835004934899450185248651187704044823932662320380195232462437902720040774271375289190440928117924285547318686739610523619702442831223997409659094039896814658906846989105997663001484518080754069958505668508012483782421384066233204606926662228593760850070086280210111286315630739980798405924356082718116327289209263754833638656037660222747413496077267430728598758417197956393684679167

Factorizations

Primary (ID: 31426) 47781244631039871123172831093844890197337 (proven prime)
(ID: 198379) 13009808798708653136907779187731914234992516701706023319053273887267101492369996245996799008219275655587956770497161273403322338838602339389487473331351508737035436390129916987804460442418458339644838084450833916611110150264998883052636606634690331849401618905182567954747797508191622556893736421934315661060904175276897191186279078093572989170540498829741191177691745338138805108099402911219779282892693622140860537334614432152802792652386871223396522491432165706567228246881078187574801942925501057628031338282836536937782432118907057226935188955576989275254623930362830036469360284034358709966496602583092254348960677932240358731014745702192436159398941516903622356371264133821928404447284659457380481390262267774434622435395986550597478945876224383639889226345981175173791694844339663000874945718887540788619607318530467807214473535094574243642395812717674761961418874985778024501931936204540284401816558571945922507791071959152259413503436251315865595984210181897380014427306987995277371469591 (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.