Factor Info

ID 166412
Size 728 digits / 2417 bits
Status composite
Value 21967564992423179043401793696741591215901075851107601200914859635630392344827119459424340506955303749190140107203044566693079688908599746565990247682215571827701457831636172539817180783249995037967956215193275140750817081020421968545897802861064363654918562918200182961509209538283497504162631693039234162129931417202626200418184359448867847123685210604456318639329700778279698973786871709848849506831866993978522167871570888452572945002878462170358249472063159156204900287566083537210852876809999106320136416245108087235678941370520410360699186306267910162509532295037515419340149711464038659999875557091852768664696612556908835614737639679561085664311444128027512337367940601436557529244925714412758379845374192001340175965751

Factorizations

Primary (ID: 17691) 83183051545234447336922778521 (proven prime)
(ID: 166413) 264087029561272445172897344982185278258702642355363977470669800084581100763157568369933683526733094946117447859937264798297171712889760312269518569314491544097423018435070356467658646969642283756835820206143908571729188166241913317173920689972622234863303190066178754876298024978870737569283797821059331574182376483223044077497374202823665697582905885153870360565920096464659881648167451979842189907941229077158183541524634029316809739368350872301546423817314204258664205833802697429479835012141805240814627996229277154125868129559303644801786131351683998344380314451047930153145543713422405671967358916560121684022468439282289888849996099358299613941870875646383351070034469245095433109634292439631 (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.