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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 #1100000009064701262 1,086 digits created 2026-08-09

Value

253678027296181481585392934645856395030573478735252517766650977082084703110311394733179708052887530153987796945625661013972107150262903206318297085625600141208900624571300317276875510895053454184118483617235143164126049222758696146938804106979809414385435589285319136748977758589915856545475327119539525603517216219866222746982755647418048202827991994315056200737133526192597861336726429119103753254563803445075026143417577923805472336063076441033556783966459603315658814248785332243704899818151822500334088909137409864144210051110188437842390243623824546867687021930932319194948226931402858865690173967001174603249162032527804761812261432434997381040166954614730082108648735655281565532739893840195306418523743699989272337237063218246531563509874335070469000351204863051164084280836847455422258790965805944505208285969294383646846964480089664845581267603018930225361522422483470921869987990829894886939627087854343803725347843111059054884224690290802442690232043608665586350087024813299580673647960903426080697624463952482099308193652686993118527822369900834543613246077585698617886653
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,710-digit prime (137 intermediate primes).

Certified number1,710-digit prime
Certificatedownload
Certificate chainshow step 48 of 137

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064701262 --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":1100000009064701262},"decimal":true,"detail":2}}'