Factor Info

ID 155904
Size 730 digits / 2423 bits
Status composite
Value 2028471990093303903895412047341524308598248053135385317763482844432178863493596855946627300555819370535476541246352328531025585421462982808669900365417666232702824907331880378499033609406035677223837433081850887167808113167423461105656821536957675321929673930323075294323442406221271121146591204660440059290940913088918067494203583573379300313084370903257995119119573751579257296532504755123190522634627331995326829033844480175091702166330582126661542482012140792128055917413687754693613458749947159447801782335212833506580784164097623046072240163935902292138979907188802214045370080347298126064321567752121583681775935553119203868054134716872663936379862960058501865310402183812961768957575220137389900891888209610392755353759913

Factorizations

Primary (ID: 154876) 175189978713624355909 (proven prime)
(ID: 155905) 11578698764551831017284433910855973237875377941946128278709134021137226580988464679104760030113643962610805992311212141510624624068866103614957177020887543250647913293115905909665198604786408415728959580609428478475577806869108565628533987950499385409132153911400054588960125320337456445920962156366919288796499490095990303170228030338674289792936783842940318033759508081050224370644979590908631058610014670621411236746653975646630004055426467923717482136098013882231877911485457808107490698008102905541551681142008866598399625208284384490437554087967826484501241306577092643554682889090638672928375286753921818416891966877366808959568929697369081573869196045308121635027226846104341866107950479494669628295957 (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.