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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008942579745 2,256 digits created 2026-07-06

Value

330526162118481911791892428586045760936190722077983009021211609761105152494549290015057927402727498052265262054965188970204638456133872778982279709930005595738774523736930109728208144939218052252159608913063379057653450048691719753187010417576164337475788423530410282077864760227491300192588458740005362972162849485377969451000876632471985515274595657927669974211745070513564726766022259792793284941015631966479712157818089544280412279976351576847118574784714634706200991224229233572664454214132184121618030571448400825012688970963462073595546393027553774956685508312877106973009139580847983076287609143277653864948943356786748410027788007713409557014967117010649208301710878957959520953907657273338879483708617435515986787109450314961557032157977780841837614967427838122402674106213858578860203000556667431770016265522806924911264638795446242667224359229942077612076191160256043134286465332563135789279660621244545103321391579689689492348273465469440013665612582546271235751647847757366986820737208633311777488255516188406927362924964377187478831258463914600570556190764344285603116981063464600977141726884481627573784762892629710235477335471667182333048060580069849587363762954775607744809693141393658757676775757590373264409960998815163658683974204046427178689833001499173333764539377689059501387551302214865896884854780152266290004413536204395219637736303494072309441426681847684562738727598338148295503129724366398776590895967036821902566886410562200109067472390076244556720996584474931977701478908510511483961322504572660690472419582811003699101485978996391438754276237476399317706788266897400352372636314881344079997400570426387141909825463947456473045146373319539481446075559171761253166784930202848563753493910196990775428525166306998068876726459707458448068273456717581588676627296414806453889381682166944452543841376171945682666621854641823323792640007978862720941462416896552056096134091222306754621536408158228977128631767820306131337085831438516210831840856881223841084809613042969001928907368882153023926712879051279112428956312281623496302129738754480221205374416018998558311018456731898584273445517888300017223410949274129840159180305445733563768043114117869206937436035151739579414914288869216549015623606506725733518227936780337276887067
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 40 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942579745 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008942579745},"decimal":true,"detail":2}}'