Factor Info

ID 143903
Size 521 digits / 1729 bits
Status composite
Value 16681783308030202288610301277827457901345345136313573591023250157421162046892444191654923256686752355848357833514873124094641804724557446685343919832698226713086193036813399286710292738274061559429138227815744761342657686487595140608996454564704288742740505474518632802361057015664077500604243441843278400761812473413941822143982478505526608287079107333377950938486827907877318223283999182399216428218219724584192876559968411309440114352037103842229622336486196348695798444445408947202122151446774040503482445151495211237

Factorizations

Primary (ID: 143904) 18036718434283873081271 (proven prime)
(ID: 143905) 924879066489265905352711306000982633671506347757154462460651342012703575912664644789533176120004006370324934671853417268456373236973814802343248840739415117139084598160821405411425269152016502272311559776531781599423370221864361996352957606444333198849397509146937675123969472014259371659880102952944941565756621985756139491799392831569875279219231909739796745398762598985289121507800603584894901476638641210011223356210866573802630867332787254759096429609043282490865575928096392007554550214036547 (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.