Factor Info

ID 137371
Size 642 digits / 2132 bits
Status composite
Value 438067662757254782316654510733443466331286831385268151222997764405071488369597709663135675701878497390135834823567067518626567501993617731744830100755309256385586556337967985030230417370647425503172530341122485608647700788786933540350599519013932330386297250693439388682596453653520772101092114447717129655899869686553325200102588716783353199170935823736066655312237042813009338083678731039772516717287110664818805065662039732415225050075178820658995718225928642061974129166732831837364038675820285401135945306568130955362330377812431893033939429659534363858842797957706853862114623585165386195689904015109009719224557553787035296448873236071

Factorizations

Primary (ID: 172255) 540312525082662822602092590979 (proven prime)
(ID: 172256) 810767180883386848512705472261407938787885620598699514055888389853288566152544106110110497499217140551414514567335190821278403215849684537888377345531399076092275687369900090668821114078366910397113720044469926216936240167075628604889875720857359595555685675285270802207870329493824741149704514697799481930350766429855843397113650604967030466323035479430906027277987608335942672297533313560321421687104357184778564777203275592173623394895533695455427511158051468530099388600184648636221646662369712150082313240920357717271889716614736116298682945802251213186134769760333943402698619355216599986596135506433743949 (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.