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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 #1100000009053654518 1,701 digits created 2026-08-07

Value

241963065114656905262131417384194051371901827423771499295239336124099671377294475793572618415009965205497725934823922482105749348958318955533049247385966606322568489335417120073665597346501570719468067667152192188237599517321487572889397246598958415942285917797702421096353604114279107240235396839741061718289694604656311211755992898919058506128145999785913349283347672574663558731882706140286876697828009951089348800357900584502470802260232383424333915471858813363844873119821575589963820182737600436510163721005288807322399841865097075315429916440544798167451338678462718454856019788004345909684673345746715505266670410218476559314006501670281662553296930401081572355884482879007230058781887931697018571717225375538541442607268152592971089081548491894462699020012065371319484559413920183545673476674707578316808686911694419223415619305066909498912841222645089325746244033863835734328878421520933284487303884985608747389968715302579429225602737597782024931603981866478211801028966429554526814178547204475729558120316488766985503652927168118347935513980727260316032046501718217943729985216961287462485478901479472207008278484095390482214696182183809385554561953107074313824616504860735648512035727225743680266948230158743989897988707047058571723776714784353432404566998956934113981216867395863745323011161498387407736607167602860819181936448189994121940049728677799662337080544171580230562998687734960171069461752794941185194019394802083864603032066697142019683734194430659382940795640214069002685702863675259809828550024567836129583580598353110584322863817609427466908611150890735535301860868923793941330999572229666092211719500216402020021479043097739187065463755634670021075695316580802633104474259
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 2,205-digit prime (169 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 44 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053654518 --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":1100000009053654518},"decimal":true,"detail":2}}'