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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 #1100000008727412161 2,294 digits created 2026-04-05

Value

14142108826871398741419788866072047503987067738943288881119518110986861606206680795942691940759646433824713868393107522909875127560527095179144261041071852273756993847047305633293061072874618490093111471401899938284909773207929772268103081820290454023166494453751494760345184797635514045346492733965560470720948506382467897234063980553418733346080778501367918878154613190604549614657203259419922180946624193845140059916080866896365851834440656793887642221618543465706924593288860506812068375594802015969021100703251246281290994822069891650686241985930153941683736110224280710120084859111622243796908948784465616773593461521127463212327161957145266823812869690020496058308401590563099081170898096487007533723498175280444030559745652919171310122875437409416929564357323070588366256564844884620984331434745530582160169130458526164606642149241185467992382220390579406032943503342243048673458128871395083900279277495245696325456872211427809189499588299894371085245185316089672682215304715993316185572954050075056626156050903317589647427985926056929400864316929830569112254137462271226570794069647962127858043128070918491844701111967979331916869153951755251115579394720230561590591353420899073667635495724669855935911751298909400269252670968371129430387982963736269544668206090485371836781218415816111085939345077397494477132799027813957283076102317032972080363729428137516844777856209292407808617326166080297417702599572334164792204798141358428315428872511689424978646199055842680445748221579154401705019106533654192446710929996222286046954631979231876225487436173749728289646559214249141957714221047375929887098901716145948512645912615279292382545182626595927574671330706122188024965089418989178310485922747882215050127367492802539107682544993269897581753244789794141886457004373590095700119845353245168459635991840171528524954011431425923752310427574877422965720134648384563430748056032503237287728362382511090927257914905222095986417042099681384687025474475800074026232139367108500248490771468050071977515607631885653989873196719008097445946121707028803794885071517444160882423914606954742841589914002324979118469667128658952244217383588679043812838663582060745319674961603422220064139203970344652997284809219058671542833065129609485237323106819222038370874574384078837913251532701218349526096687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,772-digit prime (298 intermediate primes).

Certified number2,772-digit prime
Certificatedownload
Certificate chainshow step 50 of 298

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008727412161 --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":1100000008727412161},"decimal":true,"detail":2}}'