Factor Info

ID 155990
Size 765 digits / 2541 bits
Status composite
Value 708503261923514455042304998300361130401018514200858868883744392248444198592632902418858432904907444143210101764884783702554935608798963779159706845760975397491792409594931386133510447326643501329897620094366271743554197540348994842890585325516061064758255223532342419471039689848620942792963763406599085303446572291230815135484478725229458430766141138274199022484763334165133306162967649571767192726150387584501103228056281478498289642610172696307518197946920778877005284021292257114676773481292017165197139354444930286039406060912157076084986155585646441804726311735953069454568988997929093174157733471208597126809312771314126498405342325137224468424982723086004928600759929630295810656190757022403826783257526455962638336816078803694106247618742448839286384685359

Factorizations

Primary (ID: 154589) 751670559138758105956097 (proven prime)
(ID: 155991) 942571520607773353159375391218349099257867060537208575796477516824937405842463236393392024253848366315513934189574367251692452830962316797739701504222899769221422906534014747231790498116681404133785742285748157418342186084690307522097429457614858076267496443063863803387479763975231972854951297913488241046008719549585366423725744205105586746182572968368650769658233939986205275981641292427633481982526099208138667256017544194150073151926588239224233371124123341465723624199547198391285539824027761881518739753169825006099475126706100361118337890520902732871554283556836032037933423371961417352158959282382519164045947466697105626309441639816819810922420383757520032620700671548977842926628614817085203231756511154261553928130738270960230447 (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.