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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 #1100000004891313406 1,885 digits created 2023-10-25

Value

1338195452498131532057048309475081085490738599210904856903467935266791606086527328452397795985883049738350644621328102990959783846896902124359904568648589409120192774692515741615359735331599359905802571575021796416103033877824293121665335463930932341695931968338324923662546210100613600827081289406297691628681525488088239478883656593260139553130122366547754802920937504993496275318648638687892434896187976429135775470457050919233968352649751744276539710919022652722886357253366656973424877718514976719502459855729119243025967647180554769699439291328245463459282058418671836937898228568080053049169200003791203207339422159399864274383163973059306084359602178206924033609422205176117343684648418663845027245248371089781300275432079069778118178330344721910032777073022314487740308553020681763237178653532802645967870887190379524710991636041902828251557394710488167763146565113840814301996238961526172495425687941023180604338483444310719989164166037629866875800424251168291958796420127994549011693142696238356924242036543814729123220200143505586969490340778944045130128143391568211192092399504868074807955877460718312783130102623130607804373629514681924988815396232658629473473089355432032806565438695590930920776795646981490033698458000444981042141992731200115151733242053403159548957327257074074796768791512075922771745539537181537553593648907714208368504716518617530223132772161630078359302774068809679803948696887979358463850973577736676105612651934087108745774660837769736484020847149898720473766506943245296776971543718458702479951707720375120512960550521916915357812798270933501583998719529090646259754588494311045106838162579531740684813891022529704728960667923685327144055642919271487537073727728995237335455525840955140171587594611454074546748539578492431077853908916947892470918710586990037029595371791331837863007313115299190287441251612454911206946116140623392150842830865319
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 2,228-digit prime (242 intermediate primes).

Certified number2,228-digit prime
Certificatedownload
Certificate chainshow step 32 of 242

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004891313406 --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":1100000004891313406},"decimal":true,"detail":2}}'