Factor Info

ID 143813
Size 459 digits / 1525 bits
Status composite
Value 691269421157319371328998060595338932386982276437661546091267435302060413980541027337167802951718169071711999357624763547272757620899886053327851550611021444519137230232210935426421174404287112710731649121643005710588154033714647521940083664130776185681513054600668541857406030368503763620863012220944059155640973105739738138759034810702040617356978043370804585082196147246512497647605227149819821285464999710368807380263629682111984709185270067989657837553251

Factorizations

Primary (ID: 143247) 20099560745902897862501 (proven prime)
(ID: 143814) 34392265079635036009441299958976999912481976194055374403455226880399640377383391104937265938230901128500473826216176695766715112138814554140421906582397065496844807678022461232359347319802471619762481243548327412290037327204498978803411576667196393819607481435862072113463896851493134041154684829153862887439713446146914237340614946428284982083273228693662086539748991354576462908691660077639025651596618896304239182064365375067355315751 (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.