Factor Info

ID 163385
Size 1399 digits / 4645 bits
Status composite
Value 1661996659643258861823350394494675860253430194836716024171942141637445705459678964809074825445905397596525346686427415308790132193350766288422219046050123926605557146082429895731554583996280216508724276907919789199321798700898698558202777573259153213760293118857742123904537535919143205674785338000116327445905397951346194328475271814662341423091874863604786731925686728727166779249910606765447743100091351667624026407579395705913447282618212425352593840113392078846596554407330787375314914190778021976023670188891215262953987708156400988089678937325714284123959640110643671809464454676639656577799817230957388061131665290200230266535236311464162909433490560230681824017859038106750484114925256833988382425075536933916445223371816605807364834360441152295661145532364826715063884127335150427170115968837757979226034503278822435002312285448658911382391192105277029046030709380002625133725298909916253800048598396497481297769503026473360025308577898449705681359254287074379223598732602254489359760935751055132557274350476870092444850512447267436888223321080543721260240057303879236622096068832917706822114872321308185590617983484445295403037187048316958727324866697456318795941187228118261653888295669739280474235600836333477021648929363060072475458709757844251073843855141389017646378239139225433381023426743164897903482552899182755736945879795478764891865342329677171987009025867750049113028010442499

Factorizations

Primary (ID: 160963) 19464991002732197423653 (proven prime)
(ID: 163386) 85383890463138319266548539458848522876712054468403233107163636584744253081059957373579314911545039653198361291833483405457583204856299633354156406736221418504722093736784727596799987410239536239154951595081605821928297444778480441479903600970147407754509571570171011050967734103810424093385060000379365612508532473620349456805290371988632774640582489790510064980807386630584068628955283770888441550490746640494050663501729103292160154982483296774007847490057510520249266060852676425922267302331840541213104749081011817589518957432647695747539586724385314196239069582596280647334134323780226340496250190491653705319620161094680845291929109124954947207937222278677607384226115759097224456292863314314502255585680728823876209728584548988177155346465896670658448701577375655272407540530941723992208720508340491665683640308456462906178440836026125790364255693426465559014642399364946161078486739875634136457420793425432190831181276884040434025753815194235701852332118555667720032916218770376989667249947369136643799259680793833400039942564876017898244852626420079978653288065003293129411506933230990533676014178175646118593354759810363242804328446361823750926895966410638919163624681220235538269980434092582331399851601452320950529818991897053790594876191218365966978074958435635812572576062988657938534080887894682102346741169515646827081235300476407608622219457378164584642738183 (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.