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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 #1100000009079602242 1,847 digits created 2026-08-12

Value

10126627200546291260358338616967401389824330181552127394783691059090274270257152784518377386261271366259283289468300012386316660743112087113829913724746177607060580472466498051479419845279141105334750831819387072434644713354334102901384911761346015441293521871695194202511959552660744924302452262988294366680009984988162767736375059832486290552966520707241878260591384439846112757127351443358868822300866240732500040360530250137704166737861280197236513852564986406991654625939703339390642769555870290814638508673547256532999375174694482122874322341091683802798202783109815731088364905890399940043287085791565839070338378031405872854673696667442314941639517062398557167342430860439666615504159936434187459166461764205863469256045826110332839366494248623294150224546702464540424798439208091363716157611534452424270333306628099499509056703549335111863001703403605022812876034625358018408361906394719414191836611165908042673368905420279740154223811132379421529929557438982190872282874956908955412402408529681097971420733459951782692073674358028443583598688666692296270817122706363096284872254440007234021721434081100516029309592162059464876033716707914050436755513432653353335686610072079653587832562355505849273168143237894569695717409737740964557411490884205559056419255449605909276786125819550033810132718137345553247908581603310612868772634598736692192832915540337188720367229644475752439213346647835200598698186835149756026482350780986768233924465891603754700572406111928075819773220689453388322344958903912678112487723929342595249026890517840959873591101490526287625501523749047675251502839888141989700683948448915819792536786231124266659787567134668019996525410454987812026570231564160756040896007122889006338105501569570233106253815472358469508867471247805961096809572071541401681430608632936198739961128401407357145461960104861772828505509587
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 2,049-digit prime (163 intermediate primes).

Certified number2,049-digit prime
Certificatedownload
Certificate chainshow step 15 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079602242 --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":1100000009079602242},"decimal":true,"detail":2}}'