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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 #1100000009059118889 1,642 digits created 2026-08-09

Value

1217285084369418566626646685891486927624283611025986261386966252945444559500472392724493169938480461569352511678856884624611450267760438805542743086084557106074463968798825460998223970962056828674575749996288834171902043306870405314693128738179988102669092691668637602889196526910421380020662428531913705257800588366207668499533605215243843203484329743844462958618618540934550539437831807072422796392947358934386192745495891868054347557182438113064071654333595097213909457284742612140607697967051653491283883596440190340780604328776404390473569208792194665193419960104375787402165597146781670558958273907673845588169040493230022583083213392590794624610969259726333340535228164859821929039999555790410331724546416205953089574087469867678634772263081714378574768681761294637814588418092729934143833957154882157211507794300665974226877894159559170034045357902763328535511416901697085912436953405648395906464794539479880926408117142409050673613722338104949072612953757854623151646113968262473569215056766630406557591239303642719365689587619016721968350378428002719513512406379873080746808992513412315015585630108695788567462165597352913528791392509312392330186328925746559140268367528246599139096213610841196796554560756285638966308106823997958567812446629331092228105971997847057608934420581355374880902688744596963477259539583485524122237480841565995564591803732703423066204127910616737115089964119720511646186312485875167349995584420726683692100020364735475555998347377828421767207019017712676847571725921548742776079396450907651667397050817094194622943407398481112692210103037541587785618430424560377656820572094009774226664366393754576684827
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 2,365-digit prime (182 intermediate primes).

Certified number2,365-digit prime
Certificatedownload
Certificate chainshow step 59 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059118889 --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":1100000009059118889},"decimal":true,"detail":2}}'