Factor Info

ID 166542
Size 959 digits / 3185 bits
Status composite
Value 30420545459022278006682892420380939443311960401236474426227421108831904253850958253658617535333475801687698118291862247345500863874253065132684218445648467405031857080216307454127978645921056895384167971417120293062532685928369259414703747962058795079422591806617164307179417312191836833965298667638753199035482704106299611918271181956522346179301312124831551674158204193035878562065820186775906607659388381885058027370884360720541731190782659476119908217197145373644939806228040606804797791106707947201391498080215881426872946759974792617876465485396196701812218804410981448328831758806360000359263093058210697176773948729860561928707079574539518779014443658789423725286930928327383268182475259974337173198693868148514815508733202408042684003081869054286110114686038788371213798451943951587472730288981270892087816792047837139872000817547598752067979194307820053374177835625753089242288590017781550534653201013476966461603428580526961016915270554630085016303

Factorizations

Primary (ID: 17431) 256196067835296580684999904063 (proven prime)
(ID: 197821) 118739314447944802585254330960491515989613497422288943301147455783744332042522902486529664768872293859019530087543358930198996343515413300324659170474314384217359338192227440542656523207336162274535953969136507625457240046301428687080513801582188626435993810901036659716369771278387819188443885321410071680599207201420685606261829313967420811676747577018252482234255484417256333805123139762976850720328817071510224820811421726731143476668510626668348128682440316755089607602866901983426481305910165156967583911691758256805889784223333381848385347856533252647201462771665000903614155850006683691639896099834828247957794936770739915010560552967987725565618049073822354287121101035002425842968688883890565712685446671978639450590260793797619881480261355613623131898985694736529213266424949210950098927985135763984902654846744129345973434827805616936534754337336615623837433130926728386250955007051115849278893336230950224657273574481 (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.