Factor Info

ID 158371
Size 1243 digits / 4127 bits
Status composite
Value 1539805047068732018159005860739937955156525648212975669169079436943369804656707954497727909194268354214870411746272628266324962372253375764781009529499577419876017422544266101625326638386640720759346784730821594996339045549360465317073513871501487841469114163837348611829717212217021613145825894231810716642082567691446704638601791696585182130334264086538654908951024341636885512393267276436939656797601220582533377031072059967350243969527318121047026262710692659602908960783912089304520669073564467854939301543962269217197745086756992451650498506209444395748891127362193997260542165618042942944233246651108443477516082312172078711812646724908997540109872351480412373237009087417248376780848470605437288889363922252797494257443555733585154760832368696664544447687427739208883260766172782304875954222155931349948607746318675078412099873757165566210919937944024636308660122003477926415185912858702882281293520116518565280737352539518533275376415020379962345864360722345356370209435768232156753477583212718063734583040641534953281941849331984164235801794900616556760825572793202060792948059585998665924489267771994121417651803309230245514496772319734885267044295383931670465436252834166792708218353541104470210094232761856552010439179360854521023

Factorizations

Primary (ID: 158372) 2217947930798894931715201 (proven prime)
(ID: 158373) 694247608650623787300824588394531081740334766310009154240683361695152985805360942761435787537084429951238327518758941222355492240542687407738987571458000594839883737864560573063551019802003685345318572898920474099939900195457189858161250479230447131932355447711978788680232570384016495428746777676688407525625327873056583363915633335375962982409582268035378706211448939154333462948523031138774230037867800737040019184228385263307634582646141377479425221849062675587465186373476869733794443153582842277588903911706528024990860187338091555943289697566550588045704973979310934547551582078914740735601660063243759076419102809930987022845439831297366215759100311825673563996533867844985797094785901814573536147645021826104732362608825681012889828273990783592874028139594885796170358386466711083324450835546500280359180251592270053466297819778302065073517396491223322212465063781294663069948936011911719924932296523454984386368682469787701041745913278005178086098130912959122824365187421943276921795605319284938140628273584574437379523445179051042238998362035537682957668807171977557100464056166760124476572504657586037832260243857507113154022553927769575654377493283142023466466638357974025349721503623976004612090015791423 (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.