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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 #1100000009046449699 1,013 digits created 2026-08-05

Value

27928299266334254275185827847454319012203461275540307827528767476285421537970553999192943954157322078642347934301159306054076472409546108035359985528206374851349095849744174661804632195950931490536423687766824437894247114388251165128094967559236305598145449526666841226871887278660330197823491885956913732529702408327306862033486999791614558734641315521499279095737958433650329391856130641215915521133328819297614889771207796542437336146074979016498860600273255035683620793345122114591632337620138119816946423771499534084217573072685891824328318186565312383655772862209463083782495630061105428899646765074455944070411476820029331761925957761551471236839352268636725891087738255413863236295797665040454404088088812914556187098111932293003846186283754663656019406792291131743737154884996545410430336388083291240202339841831634486161722365128383504638990891048527974124524047069299618105345203101960634042182430669392053287449942593285116133397425184303602554834355701839728143787742788096887255531422313600895747273
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 1,413-digit prime (158 intermediate primes).

Certified number1,413-digit prime
Certificatedownload
Certificate chainshow step 45 of 158

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009046449699 --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":1100000009046449699},"decimal":true,"detail":2}}'