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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 #1100000009105165377 2,694 digits created 2026-08-24

Value

141409057257697603498379823463641935274510592766010323901615644262100529048302517784753333057229051387126621356599254598070052242481951120153494996331607297078014979816428368416563244975894784442147753232083840800733915280983071503956672284925854363909892502799691298314232158841418951456560076225903342249349132628003573520349828051951505862814977093944962360303747047639127266294765573297681646736125703580716929668619003938292399788266473257071898768022260015754936599641406531270170860571610423426773151491118938659237749295877913103414108149969928890509571984311995368213940175401648229440088070478795113421369533232851496197546456157312684138296956258872488584828579660248007190238390454321344413022228748343977767532059180104495176218765576580717580558309717557643085840184807941506619064751769686133881323970995689735412055254298362220852362587779033258676824048849947252153686368798951627103840470994264329833797904779020894348287055000530223089387034966226531230895088407492534841064227738244669964613736553676421543979487231847005665312799908715003194628747062547054660217108710138894393713537501277038824587261262988252335987497380589431611793380721638206097140640415513671643528692489939373776677958060766368190540424755862296454307394817970972874566122157382466902141032361258117745663713371402350660087612646892290049010904360867190618922835091271108717260857252941794693953864581009177800181616458708910266838868310379545917671830087414745686607928118158104290820267763614893073352596100025299963165079866439877707154910714115206411561795012403165122750219253008243130395561188458466815391655678650462838093190328665306922277274054529970106039356023233191473806867368118743141892546765787756646996792516661941727689478601182091740691873586294979823668838416890509437157845120917287291815726780316935588292215303019113870344074920271286942849958632883489692122136236158570495342784821913467057824215059421386812885528919791701011304819170524193589266126968277560633924207158538345756176935900261844299980518661125937843119880146519888096918294998377807647762582914796582338021704200561187484847465654616968785623436535030720394799390379169381835306359749716887637557338575922670158709148471674568246403977619121808035237642683777645315939787170789881772652600035306140623135506054061502981010813002804961457700396442999296880446203007203707126980508370737934118491611652216902790680657268278845639366353847759071925223349061377027654832474459371266577868951875316649899695220842256514142986055712978621711005758382107817055989020861311159995939569915082992765817369782810624178174973837221012643389029196599534025233805072107901366661057832949832020522129778523758008042580666381
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,991-digit prime (198 intermediate primes).

Certified number2,991-digit prime
Certificatedownload
Certificate chainshow step 26 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009105165377 --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":1100000009105165377},"decimal":true,"detail":2}}'