Factor Info

ID 142900
Size 1275 digits / 4234 bits
Status composite
Value 259254216949537285414846284844687738990859205542621081707646859482184993287579433378041136532931433878773039813631033564620801872046820942164472388478984818632019079606275661654377127300411031606945433502752829653431694481148415391099988910502511901518704449011612937874198659514002864590352875289541351543310098039270425454258438000912242056852132774577807385901119043789578283757239914616580169008590790191082963781382703893235640578437740316924864454508359355071135411559131653196519792997737939913629561978572202663516633964658378337687292318821896397932772122607927318938725182367539042399100929950925473875555432675492398488694898865259779861248640318256024241552133781134649860188870641041790873234556575705396515852259701277006374429925136439047385643645537368977085425831618916987079814628590603597478414757323491143655129183406809303462639538150026259347743249927040221043777933213368162386702474325262398635776752133909375309646273779691215712504977728579392330172730759978723951169211814341305832514027163270905185277803987985563986069841587060944963379629090141832724419029525022717287285453864804375888572350510820426857488106695925744328657572041044793755610763063693325410072316600956465354605370634844749787155975508127234364400161019231361398046948719777423

Factorizations

Primary (ID: 20785) 4321661135227604368687 (proven prime)
(ID: 142901) 59989482941235608243066655505094362198243405338657347991070731730673666453225124188673627166948433103270909125751527952300123655585485290017516236308060958716364178203556818893986469801758588730024613526871422418841953898656654851391230748516416251445564360808135923036926447408259648460184565269573013829004755195057161180816753067214753180770974075785769502135630928591419907337727489002224295167231753340783771440430974564312166503431166122541948368153806561018703844655453538014311612945638781481705587420954663998330762032426241587654069638056373733850517779941196444132388083157134805591933390840561356764852928894976831842034462641495876256858275167263877543252893103976070670999544073789127190569269410691806129193174383238216746085412413811247538874448040615191789808394303107761338572099602855148124952380819141546419939485562790677215458498729441134830479948959167985644416917269472394916350030304435843236011218084196817267012023508450817810597643383117649313286168910645227253546097003616249412843676916294337286425127454245837846504988917024334290273865643421763407258204664914671876726519788455899577135686899946121893448217681244347183595782180579280719057129786664723303228694552006230137317982090039472091598817284828170619585374266529 (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.