Factor Info

ID 150986
Size 840 digits / 2790 bits
Status composite
Value 642241092368598768051492722363140512590950350018169755898150059539600118996472893788208634539361142186109825824614546409564732019289046583546000307363888940283857675045211352758460595828234282858437211233673275417704847696533764293812185092700686690760033861078109349176604058199952554520792868719498429529433897905630071784647392906051721322615856911295900122759063879185300861328424749442962151245198728091394323236548936346115989406444348215412920995348084565536025205794954518465077621654413339608204829553253793985912313179455996861254099175951811877079584441274455754568545549072917861302805050409915993203086949067329633301845689419183381732027796750283070051651207363424550222493725765748018634407883466514477075833846978091093741249283120348438021982847752207407671977797562747293154421370535819100460788001995126905956915595918201

Factorizations

Primary (ID: 184223) 172849840235280685875123511719287814249672749 (proven prime)
(ID: 185079) 3715601307437655389204036887067150123935075051705752422872535493246326235255791384869266192755534182791445324964841915299234277699253798550611385034977527369465055383916530340196603954582872969140512844969246795289715714627695052315668102164104557260204634278914455661105631611594580978805273915753613775589175163538519037539705316882663312363498446430809149881581618723241840111435212957597833782960332778099327890053072484367916506823807971365107756831771768792569377492642820327346154333298134884520013928498985089255268401529354526300729874616552268105076557372885881090640544204745981450138309555395979137106047495970195228096970397746993902298293791725554139040818657213458314809259372322575757683817821419066785813324698773108615070817149944616852331595497475755478530292335906650139671549 (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.