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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 #1100000009079855018 1,840 digits created 2026-08-12

Value

9047921712969017555016851073888736601598204265328874898409725123940861966797496894481287626565069920696986303844391071320414611447367725336340767736683093640309820072828957767122578856019088309403150511714171636312055148967048036083167966162479124626796793025044453698968500482484526538683533655488089745796249159991778532446567147137979063471724490510298153791087205382957188677859369992375954013134952128625008241379457164216631361083182397520073893159334194233513152619559629561666667525440539157721448161077941348952322194394927367715715796636387587335995895869217463526600809715063492750492896411631515135037999733631244014446373502319731702977631998065696479915204368193532966427412233676999557770751800431585719474275188596403207822997212439124888745355635307267941956665545881094043768912774798481431502339387983479432097425460164783999838568709759514760575824484356148302973135424169983300650504181985901748502360952139139506599017436140481129739085638328350713497050133806808730261860822540251419413108479585732289433111039993799791764119814287135814199894142181966376032704552822181302208185765565439089380646065043992809139047033842838024673812997152020137922730449851419198407120445539668594907108778372312684657022121438784059549918485777044688516704158997113215416916750830444269540808686796291697898368067179066405731223290904995521439784313144650729129514229161213770023523197439874902684270878703206932748677738624483759890783329136288548924362836116417899579457082819365809632541060528222335174908707311962458675776971995869958723251161162319252565254092300659328945617647218402421552250933315964830253885121123723779375429799061681119196640328024021879260291834405024601513718693260708763340056591393553479346285969856279325027163889465828663106375677404118409320547996808145772786698171604085391864477740956958471741967
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 1,857-digit prime (150 intermediate primes).

Certified number1,857-digit prime
Certificatedownload
Certificate chainshow step 3 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079855018 --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":1100000009079855018},"decimal":true,"detail":2}}'