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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 #1100000009058300787 2,195 digits created 2026-08-09

Value

72619176244621940948880952136991071329930200584723100006947043646802792904193643303624643552555305211788359932856742623319865132106506089093704203896580534605858657389848446236091810245733004487472303202693176949785635512723634884044563895902667447523480776382772636908679292594502257812819720344668373613175453786790838245356243335665574640825213344882244495995518673838895858566502987092360699694026119644612506024353238156788424862242151401090881576338799771695328442263186744141454601684563819426715221766008979507999555204697395460500051510474720923327002819515711417902687650319794569778855430962074518772185356751438384022506133614284869043628668552024143150182554275086954406821799312375103477973616129829420359973898671243065727552226764499518888202732533547138772115998076349263867489461458361716089690423508275921332876606043826304166412753294677370721831422456457135398691030780606388675282825361710212030334627370615454267920073518065566587894774114538783021680493113041292562736629354232125764033273145377467935051038726943383436341884985255360436884510001000370351118110072448201442551999159060916425449639740057855944299125095051891329536107701326727648854550633005576999318175102384747734998953811500002844709718701342982755623777788138866169746870606495055168907738515935450229611162601211546550529272326377289009434592280734939343734894917617473299627535055353011811011226491909457940840863667312036346710445217863095933312999205049381630765964445308283598011733953460676447856567263337965361851417026077627968192872099896235128277315716927310337966992698980822658474853315867824235062601071830281094567600116502166113838578309764908648450820908538678332199483836492019539727862574601536033327281279314049541233293416950497773947131220495078029465576151228647866445596521831952110214915820346384652177915447905072183083875622852275404592433409847799800205497305237073136233105702009735271404750179777082658317538609750150123297826240040851017811329533237874310841128866173631426250985268586211336675244036604399644733907148023801875091417594098791836128270946914177879252666483221603078852795902220012334077976747735852774786725618470683886989495540829896614481939769151886657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 2,256-digit prime (163 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 5 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058300787 --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":1100000009058300787},"decimal":true,"detail":2}}'