Factor Info

ID 87484
Size 578 digits / 1918 bits
Status composite
Value 19717269506236466933840429916853853975016406439589653490675443340025427401849492344441975492256774609731134161698932415137025825274104937783708002349961730075124474621640329656108521615351637244970818434890999787017329436658741908661601459983108118187454541287108882285975166452735377936356829012602249528545872021102311070783013936485524825744033795330287273990454512135472828918822551663063666167170829654872094736938263212898926645722118277408103379800407471000632092009538314553231132630079405389480751108135234683699276316661516290795534524430677069776445164769598746251833

Factorizations

Primary (ID: 2929) 170141183460469231731687303715884105727 (proven prime)
(ID: 87485) 115887694591107605254611969506487744911907200241066310457128419180040065741436205285393408470300849005973001341511744600463826797032292133672062087638618941515219261831520808862493603085144097348703092745658496519292428497839380742040440202076748503177776261606455811356556287447128898278438370865444739285154651131478373416583418152403486589108051333463162147231219281483042929064198274904087692102315663963940120954969918181618243213779759269242881421626869739425970764671606875223495709553806690559588271644575396370986806282298045902279 (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.