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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 #1100000009127304444 2,248 digits created 2026-09-01

Value

5134410738277454296664278505530792884374954050196408115739777609080530179661636488597307055966485822572715570925811864842835415211371338167318033152267105034745691345413919352859948707876781227085914656292597375295721223241918139243496638583013159721607190290283212708137046749844000175871693082997820403208772419874281110455810659517663600714122698940899630120412295881719477835925555426831472023668841050017511758311459748320899007147021976514608511571186837163215024796795960705092070624601102377648692937509199938797068660665223286052456914468973096773552540578492920331999933728479625789586281050541381110644660825583702119321847051580673780358220277096687028485850677001827956594055387995166434627049963666848435061701529095188356990371564252677286598769488783592910528713567956629750803715206425506262032174795976240896536215809171653096939358748409197482671539887562707188956545904100473605922784131503774159094131686255901680465300703794645074300142954781660763158102847391623961671516184137446696349931550678880200780402243148246922140917617796133787896216144959473767016529005128152854469673121568643366722654187847608114390733837291630093641389705184967297924692948071545073529086200731792565082451760333586328577640402875187816230222153909485574476012924773792147483169065428789010825172248268465787488936855229473469701606783665132491203938241838496892946838408395418988340836253163245022740814529829321741414569082523987119674289502790425875885748071680422732028880247862288524201889093219965103744913209461595527395112695242438938951304121827388803975843953279604433881174468876380063336793927386604404131993769535372493280326746279126400904115103519176139485152890187251509011443527632047400383375646188705821131393485352091723694453827283027153049660085647657034271257753037692567842650292497206236206948543629398881283901484674043080520652206307441901167174130516354653152825638913849459737873261436829779726099327110919038361867369338000261833440081338479728423212438353896506422038852383348047252376767370231077699946623276777019015345996939714391748206583167028161827692983767555196149035568995199600461088938420838862029069428802156194060530617981110481433132109921861038641592770104552060295001562714358114885677224213015687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 88 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127304444 --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":1100000009127304444},"decimal":true,"detail":2}}'