Factor Info

ID 53810
Size 539 digits / 1788 bits
Status composite
Value 16859512206998527433046226568688389061031096515386982843113111724904081786008864099176371125280852836891967550680210843787187469236475305449618792928406808484745807386912749558177301284401622128393171105499162247371366382795192029641316777909251288480558811177421555791765005154077907324342762260642735339024190327787377191107868122462821975617902568353126151617111604237462467219108375697769089308006083086225878061083558995580045832599485534333947772320593334758739444085493501441590511178056248397989248325909571381577762961242285479457

Factorizations

Primary (ID: 52955) 199715619558540486533761 (proven prime)
(ID: 53811) 84417594599087831351146924459268402369303435928509570105739921712161320112306698957992236569956201053883341149768088293435350146994860973665719031141970479166542428382679282281285009866525399915207988585750369015768222927671793241357392755010081645663304679250065958068446717235859258307429461786271572323894112866121448734320051522048282668711103815299672818725663258552011130983679727987398635479765716567910537286466948056131649622401711169455875628827610373116950380067452615989710161056600126397794931323282337 (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.