Factor Info

ID 180804
Size 917 digits / 3044 bits
Status composite
Value 19788159823049470198335405444634582092738652568410915035923657871930948189957490584308667396529024497741603323336032183889443057161958274413729078385861180149436142058587889453824421622140167751890832348541945296807671793654250111972242397110665396678087006131606855013612642598719239903443056346747919793629038732131788200547181424688221736876955587821641893430196606752482206999806432706025663070137039681060966584430534318964433512950532962950793957430194240385071155661566498297464841050225539089067542115450688745113938195784679900788817598404097567874243243372272123021725307420516037169726916462322788911737815376239592238142071546979487760609759486555081566196411186637790387236065486240438206721469532269461479343353604426413669537274175707982900648839851071631705044458842435527586767289913044307127592394723538811022405607815232515597998490564424501063580681865549218919830560616422382173756933283268120987

Factorizations

Primary (ID: 143205) 182505982948792599736515172596637296969192064554508986986431664077607625539277041093151206777908633559621170880212873217149612948660590191 (proven prime)
(ID: 180805) 108424718484991355906682906057751505973525540035689224108589885362724880358118488718572089810435120358339561829333030701655756211450696825582382517499689578116349266321839316987518767738880718184347775781214826730876127287437642120759274084824938305297383733552725838657989928835641880389175859876199424400312272804053726396738262412278880923756915770556824044243625562078593580222961674419051088354557474674381969396419555745383509487120633427090986058736963802186877308018552079111099665278734995698049648683024805735031053342692400465473016211600672357534228430586291771978944006262059039007936171232622687547973727690717213481184549243229431309800670171261266649301678394861570618786867854644503549431707376151253462654005689532743424411181394932020868135836703605527280971157 (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.