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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 #1100000009057950620 1,773 digits created 2026-08-08

Value

140514195228002365011505689308806998736395132806880871972755412764307259414843150417238454937684649880171242487983516527206862571175572586787894591301149685506046217114960851355409923163926335069769982888694694878183097536238621993906515022619088849045337054628854550555889209999528466948117063840205816548947953297786151612849844380752594884295991434161842889958892994014608099539581241557933214307846499365950037582248069746637488437114777913802149265322432236075265374076350179759731411355852156813957460252006379783196266332384541989654578341091247551680519853822005543582327029837983794706559464054694988757397785249345145521488325421363216520982787020230137855590257125663714435351584120492877307849854339091605271324477962931824757812300434989168785485655153161337653232837648630339181703682961112816434876544119495290726353917077753004825819144532525625014882128708697540131870802050986915838007788419280149973940592424944546202250751075042777877517854465163707583559787708594064978732673222041039139058151156875611998133255398954169590197543498196631027690284182049648998133925951977361976355073979062160766697179982190231595587945090249696681024798218342874804704412479199261822742443498709624513261699231219255179476837997563844344873097414832261763022260982630138561424938723152305480427773794670171141450768860277706920398825226716135624346137325083971765420162956977673110455439044223092474553331416636155543802756985455520958612315731771104220135186445092619251525559467876322416703809765772387336683440554444431810824165017895142824023918072859973773967654746529366357112053471792493599076812926701975648927048494936810027001898992529985520838624784567665828277816810358043488123647788088680584136717065777384491875021395334155776274439828238332785098638171
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 2,254-digit prime (178 intermediate primes).

Certified number2,254-digit prime
Certificatedownload
Certificate chainshow step 40 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057950620 --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":1100000009057950620},"decimal":true,"detail":2}}'