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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 #1100000010595901400 2,672 digits created 2026-10-06

Value

13871377971737322320373721019928395152599947983966081205835611405783957004455690085123139173443334909602374450699651515207346321663655665470161078325349477074095925488120224214330159631832178793763778305573771483315290159932242414638626459580349325428151150340912752034891746437243562827187063503855083356395948784038879714058851388713890732088619731998505320351397425101870579604432808720782367972235158249776703763328588680908483491409726750285851860219677091354594016591489181093183269767015599270985831070738503326957153475876179045691654529874667202116619481908795895757574811006957917583209530795218149377399236953255186455526879264036846398320665783803883028719526765622659864310801355808916835209212852891323783023583506733474633470052876553481097127245876186749572223728885171610594891143408646788193719780800861456911950186851954797394431336783119648711229310295205241455812829997569372655493013539534521588860904265785072351941466404113036557608373539218564232159078910022599045160253046250859330574616995958164315487177172725962371782087681292811127870388206130834792569658778480932040150631911948072108861936129567583992337896941476549579151120915568308410274625170411005885810011480622898638525935811321644863216275037246923925934931081908226738446753292528946711569206609208943553596710722524657767792639066296777236155086669923841990246797624545790115859320660766411438343661556719551812068917063718840803190328127359555671614549045946578534954930934559224493848708623663500336167931371928478409070025836257857406764503172385326716138680225793772181755084569813020527729220820846635726938176459448814264682159780343405862958710128597364121294932372983627356161469011959689918607478403306794376112999014718192016790485661173674408242982006201287284400932129591486586814296677592087965155139747658236658554501263605576851573446135324220688920508911503483971961624256377924089913333021910531445263839695853222339194635698927126695306509668043472180663838534419045131329737264458667922451773910864064097466372637275086974173377249481657998927307010425420713542893593996896945760231654304178742160628194500033407512735584927438375922321467300364389965212473398232713146992220554003985105938230271952060871183844457395215760795346187797814362648552738496488520430223232458999773748919717752191665141458845856588703380027344063799707559699568160346171828100162917707959368724768434136769093763876170277559960873384355197847144401280824243570476294522559994348451825830558620406735615385254622510777574561263401914316051574493120393681434828033306965782659997562862496020733052020456974744304938658174213795556169195296373644135811425538527101030042065197783669231
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 3,195-digit prime (230 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 41 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010595901400 --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":1100000010595901400},"decimal":true,"detail":2}}'