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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 #1100000009054058122 2,198 digits created 2026-08-07

Value

40534444904255199526960961479496221016670833782971179989209959520933494114623038365556562717606070799635582489320014124483552675609084962396201365966484368807399101855047746039188808243879119495680182057134411400269151291810163409512012437999429117801111751733284519002428527929931134130994397261588735173222009415533682780517139240526234568642508053480534083436630682468428029157904248870930897287780799127316488006092624396863185859864335414507805313511651838256256553446862255397179852345211482590908228209434599438891504789173027788362178091833183196619410609719497167448916557697891059496596254096794400542146671405613105668375392460038546827660632054796489290306966652987608838279190160452282847723823256695060602214578255763444796192404247164597509204159119541509583383873609845012590698467873214696128659928803867113658411766528775794161320531749787745145503568582486388854201972467304853816195025924336078151268170878177091645721859656549043493441064710359516599183171309436505442639216202915383152617913151456248032763402750555973234578778808057566015840985838633172981575240600269850287764920981528213076734348761857138143465423830192597207418947739666908430777297932529903656592317002181615110887315055815588254217885491603227833829045347825051506838786344763460171408982999339080769982798477916794003845992072538408378811778060990128239390602397798485690048154624766662575402245589606795377714088438325356225138441787597572455642080579319833591787886195529102593400262122145051751313126554915468986922997836928762193386075810825948626257288624895998507125148502215091682601941751243376330469228544385388910930765275560257477359271124890981684074980434016275368890216888357321988693506505373204076054592523980940843715679051219789524148249484854708826942515778795763976538907848524778350270222143842168684394185600758688008241099595947238970594998600644364393678871941676500629245110093575405365341986637685526404627965346004701637545126725833485073213376280240475387254914713227240007085565230398994563653401254364327348346115569974164887383355768412052603525845968206773724567424348745880722972436298271871327662067301066148651480189818426690047660620645968142626247953258393990740517
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 2,411-digit prime (182 intermediate primes).

Certified number2,411-digit prime
Certificatedownload
Certificate chainshow step 15 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054058122 --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":1100000009054058122},"decimal":true,"detail":2}}'