Factor Info

ID 21291
Size 321 digits / 1067 bits
Status composite
Value 814243237692403613272825195384675177563924587707939821119907892449652695492154751995752214710365471158586098964281136682066143807812519682185659482344186825154876519525350598285596583291515256543415666065966868956445903200132219362256503734712357606982429704412521696427014500691293558400718370223435435181409347554858001

Factorizations

Primary (ID: 16707) 668219906430537590060380972001 (proven prime)
(ID: 29674) 1218525862304650387188455585933531224993384450395070564629295682437635971632890672858826828562709348849106537510370057882633588685074641946542529527743842710077720623334742932732099406018038741821241477602574479741034322749945973132162358329148517217741500084186575020860592925552213981886001 (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.