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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 #1100000009053654748 1,564 digits created 2026-08-07

Value

5126301992601924321432936422953663850564016486906552468543760088900070175026729561075836307403770864715672652997937425210608308929446370537281306444295420079412091543455170244308351673608319824020418337239944411781788983487103155075434255806233174377311865630725543363282682834144499871488049020222381641874903558392264642111316296692457067713458618593073879178492097733867831233187295418337780581954520238382668282787370165550332754678685346387292720225097277286732978276229570040296477776724255848675254635891711599319758572562193748706416563268579788315893049690821401479254378777483613136290009399840968434954990392004995966100797747433406810153409785602833187575348014321972148533104987653449536785947095416625396226901069757147487168807984650995271252224320018450464911410056477863384249479150681048632533405086085142557165711498264257539880327531330258812810783685733628087033952618979265686048795239951555407594412597838066844432372937199783895659754816874149249987259495502383428694997986060721005234374189712427930656812230902832851206258533864090506060491559819201059656274356457301413298030937656822650964699364784634486424512918568179949783958347986393888450932189245047251193945020831433699190299809841561227089659045969426041468988648010226994475468709483929587353422626577219473674270585388986985916520531470324645908256884112944501474970183138901304100396342394381121584991779575911363957704623764965068608923608901356608841215730902734871485349174897640895889273187191337391270083249119587569555271837641090500406582724919143435883155476615700009
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,205-digit prime (169 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 54 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053654748 --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":1100000009053654748},"decimal":true,"detail":2}}'