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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 #1100000009067938212 2,039 digits created 2026-08-10

Value

22663277589157395745836926783508009102695409382393856315976808105597956392275487568501021846401309215380574584145363691789261643433720772989590957757655998577059863205203967879750760682361431862933249003655902045838912973052969706960330562080053356310279953081329714043342501725753509743230212191551261508094775123700701426160971555818837697183308282782487286378934879144578117270976870293050915071049923729807845616353302867831655948491450959776382902217828036252007667453153997100977050090087069283695635403926662933733785321103517142903458751337765515018922162490767380213952045077831171004271802403628834732488893890633537008881815055927493071512799537930977292448271517343745481018439003794341616269822144036391477305599910426605140869088474609123386742423262863302635582063206046163417379381339958734447355113104430468451276932446696192344154222380764377984108471685638398810749902647173771813011047033568618610617958558914131920376977685274546775640092628386793159816090792380012818599743956580751150504096891567421383932804417342025754701611572929935662816927820366944494528575556710427185004384243294427941884967227592556547290641958721319075024732848420350619242102140758595079257372148521198103966796990715988883803788985752802776753007546479369759653943719704835364489580736158963617455357738011878112198585824263051793268380833552442966682155141873263716203777589821443191662938567249865018896869934927949852016591636750341793051824068626529398082415489838289426177585643828523847791297490068854546013994956190099944755737613354134775957086283885146209145598972847077898851015484078260017356849689088094033799159885663405417700993008812071578410789594022407051745706255470994156134752458715907209721153133014413656674496852850251831649282320984098383461761494886108775357170008753673583915703120942936485171621200026006404367505444355078741105800815245805406552325369522359764961889478266660281928554442768426659913279740004113542987812406743206409867084116386496382648156418770183853374776614536405266863337640817572223143603
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,638-digit prime (209 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 53 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067938212 --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":1100000009067938212},"decimal":true,"detail":2}}'