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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 #1100000009065128263 2,234 digits created 2026-08-09

Value

34197534927262002052546950384076456490181226189840848148981221687519818225177742751653280363152616295928931922037921877288278451234651501864679481853622103306180228464403260344753945731507814611340712986428198460795116867468569163129188054814873158246205449922066653657750954388818383768288868769865843971049363928163305074586442796266336925489757737094247463571522928250471927462215894550968813181150769753536624224995045412750707377052670660072458717679802478109288013998049641194744241354535231494030732049836101614262406068866226453319673007025553895180119525764921507241644945911937739591077135257323051518459422171199724610035555406917946552766410679379903478497301072746092935420696230392765255565244439274756127626600159046729967409133572895110437674338539967824723645268221479091614993419948089024733446005958549534972856837440099612515339824367185178362479922364718478053909064257707607488725541229392982147803398955920808647334205875836917713319369398906374600444424918980134514782493200439410109683634795834996221904402808374003572667922683728443240392858735273487115698234577499740209212256874827400288839184698441686585286858816553200678032669525042396187572871969509019272009579749415950761350147093804957702031770971074562594233545520700552293770844765982940594521290398798412549935484380714507669130750513921590029534220186546571845999488560473629747025867170417596354546430493628837778369382589702517599114641502191825171263987295630737102758139672032962301050281836486372333819625443523944309741732437833653059458154568077248517244554210749218871612764481251202373437543849367187579361235624452589441913422510373881607888105107815679953409592333287265736920430795820875469010216921096564544635703695568660058440743688406164386741606093683974947900674831691595620078019978029912289428763495083673679963003493448743917271484220922016103196093045339646296973765391246196134101235308681079403632530432806150025414044702193304622640664482099547679087387407740797517833836365154912431485071990887193996380945676208698816202150501700147010453480423454703775976987384004465486873812094293759473469476192915441738106247199970589929963760005985113211261335840251625705932929207766157032488254296869900111390598112753083366321
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,485-digit prime (189 intermediate primes).

Certified number2,485-digit prime
Certificatedownload
Certificate chainshow step 20 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065128263 --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":1100000009065128263},"decimal":true,"detail":2}}'