Factor Info

ID 128148
Size 830 digits / 2757 bits
Status composite
Value 69818410675239803402764546266551423721243362684485100304031915365051096207578545804535512497171863390923998217978751420813270046660318632564966703350582498134517681566431870563751557173791476762521447351238039412164047540569408520230836387103952852428263839965443061891511390872907956786507871755390339968521694774278661183767284903220453438087262461538979672208078656371060271460632214584730861976302097124138365605583203467480458932649246837346814716423516568740556342577567700897339092657621920302815098773784743853401024412297692693166165866716879891207333115415905127953071103675229836194440244910556112102740088777934705614743225581040777303115835304878434661642686090642468914956913256405916348908121369123704915202574117854453849323353412444442433189450828646364539866658717455821417550212112646319089141334134175678259481

Factorizations

Primary (ID: 91) 216913841513988014390392583520681471857 (proven prime)
(ID: 128149) 321871625102068272019320484732610747881657204513016728134680047635384863620434230525838616702798522691776328602688629416770474525932981048086597096531792291273348192942521808538390486275281321391096255620723277449545031055203559285482351872794520549770610426198705883253364764398585433101206639601268672970207560463238247417191834625307623664412233167200611780806462200991684702237583095535533930472046943508821402087499946080514666803703289196953099398213792098611963047102270525990830685587184877372420222187498237349625227556631737129536743828827370039974413219003488902963548804216590086534174751637286033978494432192914578345462408633786891450841418705473030937361944904549966533258272749568655031854507417486887523473570475660128335073149272063019025004506483656946246201088244399982633 (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.