Factor Info

ID 131364
Size 651 digits / 2160 bits
Status composite
Value 129220205616816506428001686854292834080740047909997139975878909496290133914856211550284941225531447862432858614079678126737265399779836331460264211686922995173470861675616535313033808963779042882770043772099108679981889980627374750728753806482332940299246083781991127751364643675085166075333794027487928926414372360244777263419754425883767361317080181957421823754887052309420798777828827874628563333758793006981304363009259296418586075649859834297927027543107099711748968626728033316428252566702537720214495983940543377220390426002600528352886767762123137745789324945070110653216705647091495584318651915864342260937941561034316507327924373468172691661

Factorizations

Primary (ID: 116705) 2847898786755340460169373827396482657 (proven prime)
(ID: 131365) 45373875721208226344978078310251998034207769353251224146688195549205384156082103843868276035330596843529380156858745350601345534479393825698767036184095297565499006840851226144897307576793726001478621950967707049936779181542531173558048698818576777671559009899919244154582433077982414300405214278805287374991950900649182175455921178417426500671795139886366954845789930757842131095115091713475479247537212335932085985269542597039891739211006949900707796908692069889501913585484090935378286124412823697411673914579038881963947851035531516689853815477353123630808572919892412542416370383799774714627060196622653256173 (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.