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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 #1100000004840869985 1,667 digits created 2023-10-24

Value

48121396749173862106912761846970759140811786844266505808591593730085281336156281619316337458152848291187551322482402297155745897081723326645024856996355624411499043168994315562861033385646783293733189253826152161746497138622867184485524329788145090348865831351022412035962952608094255314842828121141830318367353349866057320898898048412161255924733011246437430741018707865344356604606672091128619366687514547249381920844928135087285925728100311862971941486884859649970909731630812175953330264112968691134687357914631324448134829487683800325693387988475799599347741181785111657479031317917271631188463849908848944625511205262979531286071311798289140396792402386577077173381623794577747670992437030525221516939065829132352784552164395838961640858909870525849344800268182485291425948930506588850723522455545074231525788124521815383919107345110394773788291022953438181106576441334645026939727456158662795020173592099492451389585574188768647858458271079359145604741593938571595341798726176179964068917077872082503074366749290368937654167565145927701443845291042711396701410719709189578376220151355983147424938090555465644591882332899526686910171727720936045523051781450566866000461474335444030534638797730639722360634477930866971362031013238326998949942570375939352062340389802436236879147993472187326302157891525827846651741973402448885769555179109128888377253415742724305776781792200539936627427397346933794770453080860348433433835917934454540164714721331297848688874161572957144897067332225055404105730903528016851468236052146294999292130542061722266052431842034625793605310826316603305139108969951412040293067913859492644262216635887589380918942046166778258169116178189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 176 of the certificate chain of a 3,473-digit prime (355 intermediate primes).

Certified number3,473-digit prime
Certificatedownload
Certificate chainshow step 176 of 355

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004840869985 --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":1100000004840869985},"decimal":true,"detail":2}}'