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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 #1100000009115726572 2,216 digits created 2026-08-28

Value

29954284726865368040334330134296062991648709749007912600468523533874315439923847764378093115958726142130195108704228208775518643734558733199139310472264965562062515534176843933724461061655961900933069018948794219051185779962650165238902963794478738645763344244052574204794415537166780940007883514078350441259854996453054856737246821751168815430258205943589503535149316014656247344114649956888704247243494780536347882841426663349153250939682352634002018137071459469377835210910250567096928663911590545913625117970323546247802605229894353882232087990375678886077852799122607105262228109651908406530752866104310884256480275446673629757587042078392613580191441344259240225844911620174561856267947003946684082188757178823863046920214103670644407746007344882502939696528800667015142736106369774534504797806370890695791983045232911191300783771570362299559517211610617804002444303038395211059774365619259724824030922494844034393688619657844826009618557799864215687477158387704687713168372623360383184258651937407620105900031795601836557143146623924121986433876656092708798009236604478306352102754480895697340626421998019581942508448975278177178378383349562741931812366533733707190995237494001364849432792961161110153484864712849058945733590851376863370337811275118338311725440289503930855683479201826706175695876068911542267129730217836228219957803060626063485204430040896747742317941586311107968706150986757960067204876510194706084385025944867517144028136826935396445768470267944831501848764420648602348415762839969007124498963441580213677456120498838222977371493955752286847115189013742334209821175390323099407716113562261747544897318428151312217890296291631241019936485427723365741411644510157714727461030456817600007991132501636859016497451966963453121506895852566037125698465567808551301905631408090231141996110708351387853822905768983025596376906088240370320329612296128660920510853387057436086287247294272298842143892406410193692492403674614867079644485360846398036695428958137765088802899115192214546029778392037695368634277616963430169936584262257716653024314756694930498896118992208635406293382653755089012173857320547474435101877174778384545524369393510478172853943057574723270981251119387992085225151517630359001
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 3,052-digit prime (309 intermediate primes).

Certified number3,052-digit prime
Certificatedownload
Certificate chainshow step 80 of 309

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009115726572 --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":1100000009115726572},"decimal":true,"detail":2}}'