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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 #1100000009080418318 1,738 digits created 2026-08-13

Value

3907665154416481050505335032518207399977053204911850830342951635059275023740766554341463346825154091993150916018737151298315201761332689016217331801351449667358233877498104133341499744006070973775262348349411929383856368019148523382367664237164544691787600309471526786738122733181963926825363274060199241017974747152885809238207508353389775899853152070254467150106830586592473855189656246887518362567921695330892637537178303615838272567693476958223987531967174459711188020938864814070122014939117989169857447819188398219529099585049101453483796313911239583314391096495343545495389980441235066498429561454762780145888279268809495034535068843753090935791842510173818768315569864309183445647046671624832990659741073655728572235887571716428779600394917863967054277965583536809723923053930802595474161205341840855715070200790055307263930635295281854105830357302610309625315992055066243229614600050900955344733982545237510303295934066535242446314544995436958739203322526464703362039770053962921743071025500097017274744711706371471586064811072970440133089931274553313219326357561929283457316182908732265731178759087293167139988611232581634171123502052089115616278045614031670855650415621596143369608342285169053212984807399136037292876152545056597152833694599604496284315110082527966788076439633758373577215439755634880587225881435068751396881269583759588729111645994410451602412438028721421858987129855554968166361353878683732003980950771445802546287965590197935527636042099082595410935741575630337708458947167687731899512477962251998550791565884976856222171128679925385654332589530371640960592817875831638406685215530611593120340050987682246203755798324665160070205441957830456096498637832786696822202596044121985683015788123063650110668137517
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,872-digit prime (157 intermediate primes).

Certified number1,872-digit prime
Certificatedownload
Certificate chainshow step 13 of 157

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080418318 --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":1100000009080418318},"decimal":true,"detail":2}}'