Factor Info

ID 63247
Size 941 digits / 3124 bits
Status composite
Value 20420916003159183526816704635751729324851470575379559171658992367291560977827342419104496726928423127317242642270551829899440269313641696364642568914671492318394778781103776928226176065721464002048364800802562731994840255703652593725117320204389114021758546651109471933072893678506546839746652319333039667930957262369426447305253597992751111435999219178252197427222414811234148517348087052706195250757584037957997781377264123898885873457112596689362916737764494459469288503773962434435950797536324989319729254862413684628422179643314038470665403828661767950412031232622616201173997466739039556669764707527452424791563904600210453622777910046974629054298202359295435786531434173917389158866484141208683393251452021257302622806119852907854102099997226017814343315937065739917818288123410384791451595985261619533054829207376614141313364962729740172520106006427341562371253338488897473764160043276778251406073466310396651905939258135338617970303

Factorizations

Primary (ID: 3102) 20597276734348736647 (proven prime)
(ID: 63248) 991437667539056373535134218705065201398837575822189700826551688492130554554232379117337500126253827704476129301782342974233995835820735798803026511743717888683350079287740183684817865294408027003396150885327659390100079929896184248447905999352932533618549419530177208692648104682752449839890772389757438752558980695178301026165131497025291373133450302391204066502851416357009513899971986455984814113970260977558486820213804433259930364731477384757507441626619473966372014977173053074258786888251891269172901068902721314789047036494464117871527053404177408234557366873009770356642486261340535807224603915682743870353129848233639817714617477661119535854611396808516673324628331821225698734448361837589695810199926800609812690106557524247141629741559049663645526878847610334657583441260538789876302209333938075340762159013513177550072117679428967737846995290254841620205085566470940088470477701520169013521642368673523531849 (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.