Factor Info

ID 91517
Size 648 digits / 2151 bits
Status composite
Value 167786221829032882616543713874092319479027157887783678219130331616925530918327206227215705633284173094050229964496030151246338475329595829137378902725414706481297001838889503863146868093803332782904995597001348941804263705956396621420371570472109631721748368950332177541970614717701135396488469769073059457877561701636799545033362313483665567860735768370329502977206672914841220141359599103170650758020498148889738641476504658862694133580751287568770407245037575841613020988755393382188221492916036153408939519221325531598347865890822850267842289411250694775921300013377138138386799788263056448811158974317259808985595077242317382054448446928740279

Factorizations

Primary (ID: 63489) 31401907642819255826324699129 (proven prime)
(ID: 91518) 5343185635010328161830948207702752878270876725347729392104827773882840987119636629756430672989429400340127609186958536477152786113158935653836520871587117817442783174497639372518247778831090145971498171142553321781085490193943474007640109539564240222239530932190167582894601867463440691183491813915843384561383755310333608508933646978500468043122149734573194847110019181601211210589202312347840633952575600132402550886000035099473774512391151327828463791083672419416021026564243285717872811704233296677134210149787667855384679374047023729919915184172434868334959930547824362913631555786439580995460793776413904662274351 (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.