Factor Info

ID 23237
Size 427 digits / 1416 bits
Status composite
Value 1563815232348888608384340044630772460112807493701139193714546389305733954436890591317350217202543713773787572323336906201807861263140562556454522655501158499673985894705136851918979009115435208614933216257982782513116126713960937024364925680570037448177016042279701915226244127302238835583710908222124838252166338426947554151292661544880224179095958967394832792415774568357031885283104650784219071025846559968441355131844479339

Factorizations

Primary (ID: 18161) 4462060605403381961780411332028022754534242152003773412732171224503049883657394827 (proven prime)
(ID: 32403) 350469294490345815647886666254379863366216550327277776799034098645847640161447626959153595090785323384115795796817927993058160540484269518924715386914092187920057871435041862465028275246834287346084689718535588257950703991293159985694162880797925834186812145699639246920771446817110730091736131326443626796187617549807845018565711270875185514657 (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.