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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 #1100000009079542701 1,885 digits created 2026-08-12

Value

1084761173024619084384668289719062645636457439246444470855595760613129969102084408665552656179911534561859082912685569006645767796587064248850756648487502860024900641821808634832758919202603190358301259557086435236311492305253789617504908070091232501350248397827141444057330307610250237036816564699625648438678787763573698344111636220207929778405130204622064026314580048314370396306871939206957496775680769473797315823485253644078870871089980364961044223032368774797025017873970562174274276546233128376545167594896887730240799869607046883788968311108959270632847249602743440623942008040219639183573062327968524233477810615983832946414285036616537911898316170835081559842384821040198651714001244839604037563639071053394466901682164395821287457239257715427542710906097131941494707657055903366918881370824615983091050300317320355925829866596553430088191315558138222248951824676971129907070049293841591306089408569936422191262018832004713515307454264362101275154787567805039101239565718055433281961771149018789392993242925986113333779229160522278200315697233119589857697965504064333300690765225036935266646911268805012663724279307582666298804904757377783691411664945112844336744908521095630280346158558706204291882877761680716213295362368125049956866703603136494266743816858103540689647888320375913184374245240641397093264875697774625778823257204687981617656824046028603523258641514050038714459702508414474431918465790973526124068319830272704120787877258941083860852789872023466022467771017249710723745418181973833297734675748152471440462703546773163441072787479328422243811997071676332061018295150837942783865678703106796206830747911210328805324432442694693363492121727080178396881242973037799831277718090098248793861377895844058075132542143887742137010562485886706486619023711833311300707582347589305303792851250281072499695209925238469977369074144204248986438102213778171732234509237589
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 1,903-digit prime (138 intermediate primes).

Certified number1,903-digit prime
Certificatedownload
Certificate chainshow step 2 of 138

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079542701 --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":1100000009079542701},"decimal":true,"detail":2}}'