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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 #1100000009106882052 1,875 digits created 2026-08-25

Value

213125470229510110564115370554739956939326978967654412869055930771236632886736567565959365379317127357388455860058414880782819177109591568625429845195053976264611091667729971585783395991593522861847173676198083823945767243812785518314444621185475629581326204476993625459954877128721431452604049804859033447268297865722625534917512215220671651912881354750901319839712252108193867098019588371923881317276481603471466628944492916929106681135378503105863924326629529155774542651219165608146441308098140773551659917082633599787042199753962569368615479739303854047715281429295115890358470707108867578800325943852796967819317718499819418940434795028613588266526846639905198413582944089717714214221631537266373627113169158374782031433053010676332861277739859595065953407223506185824788008057086169855487976554058673957854337593626098865875077474641439645223306069597383498304591293125619253766423891284869161933118690303189549522473443488754278624665734494123271554403375515738070529289546177506464663316027210928976277059456537287289994133997341600419495410992665113275191365690137110964494187640663602681656031714047333678997725785960727100211175938486440100455121529199592790259688082000445515468673595629736669245228673822615823509907519987458592771395316832865381579963837405321726602327998803032119276313026964302360035841571857061434957144081388842858789355737399788200145920033597246200645645025175292807702921673007733091925144334963537400488994865304377716662568481240372893998477368734754662782961988904566952697125843352080938588979610194783345977558423741420479595690821755075032545073806909557797653651404291916960444534688548023704582487758558283584564656540327679681032218148501297310081233466216832136431099197105718139981331834642092479651737646335202427670357388257687157372508019392403489749535017768992135039904937207906633794494727049942700811435744006209542929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 2,996-digit prime (229 intermediate primes).

Certified number2,996-digit prime
Certificatedownload
Certificate chainshow step 91 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009106882052 --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":1100000009106882052},"decimal":true,"detail":2}}'