Factor Info

ID 141607
Size 612 digits / 2033 bits
Status composite
Value 655505371675567056944928902585201575212991343380878962994485218493655506289855941401645271693062101846576480836873996270453389131457240468612749986093103014319091713575852983769012450560617916795618995804867375317366645353169469625387819102609677481836744881919327819448628682799170671742893229686484193264335519827999141350615103535265460457065170561334048666429255653301373796685635781677009768508469451836615228866126797693320042906582147272789502770132117658610310337632893973531891572147316895305280661551046146458604150615680578382558883436997879982816607154704034237183726328967241205399875372360836603871

Factorizations

Primary (ID: 16324) 431947226814793053965448991778881 (proven prime)
(ID: 176783) 1517558930773340771883038286656541082263850804151784782088475065607245234547087680911036493950277010212941850552866767622084983337322537200645788481451707151938661219675597769827041758678824520659598682486685659328375177920730081806975645542878685220079450039065522699623150195623667635862946866552906266396798433239706730117204960124828996962864238581553160329171529567643958885585380161534927185794240757369023187041796752467490420768812266068811994000465769909960666042824458351537271349102278285649802181489488176073576829386700474652729809028611119215859640822832023251189791 (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.