Factor Info

ID 199530
Size 1177 digits / 3908 bits
Status composite
Value 1918973883152349247417807936390534081075257680094177746378182559819235452845651128684371549471523131204571852162556887350980132046181267432876926182020698916571364142671391985041005227337027561052986910934975519745312012818581880419014312433810469294423180494637970303735086406939660445023463901262024625366607165670836608745342628461976693996424767239562185689411548825439342218565470377584350911820302603649913090436043240225910450010657087639168061169697751471841302854854251626605208446984392371472100281442922751937558039781247886701210828871025931049119432893302830285471129893963176218608236056448721466726511334377843920031188040403696679267644561221496393275615121900273902458760947029656214973146677011566503262158183824118201252750050093678779387927526284439724930239494701249065008315702880839964280135809364365966297069156677873356252054801757485190021844669829497243956638786083748948924518393136900514307796879353881492620484691305412974708128525257355765527634903368111106237171368749162721563306616736069248986998627341876871822567968850495381848602899100562319610661478944871725525748903943071756659492258459307089276224425799869368716509182212145953544797789

Factorizations

Primary (ID: 17370) 13888279563077823030315573706460911 (proven prime)
(ID: 199531) 138172181402077114103653152367241790479163887280594915964617896183850602216330048688820668619685800858467317940383339300025121913549368400387571991089665547475996073432382143734626872207244722657952357768629746454225205656878557450343410125325034548116935315203004636693962546757532606007928659646463914845574137263348834954934391575904776823729827644692015083950299636665067073523421788154716179609264901744317755402315586378626332121786665081718832320514478091716198315126819194480655294736827125117435601808399359369079137325043203516881321983029203932970760242192717361139054929014754543708013450666767835877950034253894637965178400432939438632842807503733604360560171193395343076232912713340510433779039223904643078657421541357985524138747953518317385931696488068227354859366427450635588981746445076323634829403447101729539808672156437712172115640074742816719049296157070414061258861552798307527474392926381380409768807998334252358912439546834461158444392506163011914310328002858414468637803705179000627318149345693817127407096496429897433254756803858409136542482076762591983548262560066008803108658366393864633551114664820336128392611699 (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.