Factor Info

ID 104663
Size 523 digits / 1736 bits
Status composite
Value 1991793762215086110082091157633929690744992277303307179942190579033269141326000143710079448531682240615200357949167558229343320101247729657498086708837214725873373905488161263804823064888256577074587363444318035304794011985520176413342845764999332576722227764568614298198106046258471823403267228166123852657930159929926245575512019319550657521873816277960692265617558159793354231297074169680628416054525424241286992199640875586975434428498484084011329189764366091592221682989229451815110388232103782352630687360448111613649

Factorizations

Primary (ID: 447) 252395324361178683936108001 (proven prime)
(ID: 104664) 7891563630413460210741871740914783987978561357616887570508287247125963258150891377781123332703116041191376816807907442798891296042603785406006029851568471144005465073808878513149060901316594348057126586897727323177876301076937238783157569754485994960647676942887040125389676980316383077175626284378620586650695066339710699130496706804123052379376897276221325819367602662141147522129795618994302337154103861959153411530967394032627060932665877606070344824540552327267453474109660742994489309521649 (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.