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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 #1100000009073140538 1,528 digits created 2026-08-11

Value

4812851051719866551023298766855540279036671926386505688246417915091191717405304393200954374142215144462943459747274929587204350847638702519770693359577052356340306247998527112346673590600267575476263012855560394543072605506574140644839887247341691420022438603227259802272786198512278453563718977558357244694565311206399385659362724697740862570672799843582203619835714120414200515904709751769325254522969551555367673700555414099911631001694572474374882201988622104160560655600966292644397615557536157130218376820762907834939950345959927321289653263422410349798309377744377598729158063945715149536749216612937090916853628607459470290044878694504940165316890253066706874967822357070731269910110594631616273081016751727392100611767232160692107164179786394508838793626751095836595480403675404123669502552605832499125302934799405928554601154637396804182634226970793307928611801320833140111540386835906413592289721624221946904926414642357716854765213116252885699211805771802069362575469848284160752762465850857893157216027543714980563539561344013567984753484382446590715101241886021147692533603915984383576710716766542638338572880366842152316064824494105181318206005659198332494169572708884466497280222577898145957789389386276283778334038671359985312663664969387174244611260045398899620941963676625062597183757311017922222785736438525746765890384439359291281324333898065208927926171999381841342866654257003241955378937598848106093696975420344593037137995518083266545573676442465106193183227379412475813755639789013946304125256680642479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,119-digit prime (164 intermediate primes).

Certified number2,119-digit prime
Certificatedownload
Certificate chainshow step 54 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073140538 --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":1100000009073140538},"decimal":true,"detail":2}}'