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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 #1100000009075030789 2,154 digits created 2026-08-11

Value

341508489093512451221067084799195345135310676140545275413865782298716930709016700102960471748272916359798961380508815167920732947238124188802459945558567701380980069789077866773393846055921476305735868019939562408890531631705786822879455682999774399574584905805599054934346107585528567165614139065382098698717090663128795935320255165568340568143946104528150975302567147784766041815870682450586041825833560613083585471421173319110288841168724040779252895953801134858133402926500570418270421111878297052529869506266962953041177947745283059309457477087810266717366346836138528260932941110079973534533565514024691811888700465334157630132428163075061645297648509297016076345599703513473527051058414442085121050767389763591997715189453443712301062017382753932485477397860238055531884932612613685178713429104097408515041247785181156685095746599627549289985880407548576709789936520498400932178962080950972531314568980950743818847833629215662547234497209609676220652829404408332682509908941713650128178670439071018955586832216811210883972424928730254848434815730076086094129585083155946558873208526827680837126406106878250503288402556799014284535570034016347942429554936918364661218863232954776050650681843034895057942480085296938437857060278934036154260651057629824952951111460740900845703283120307137501555261316083012741908536313815632190074453818774598007703475941604072779497514358847267562781071767540955787647539567085322523910879479028919190011941802888712112487963169195314137413087529993706287001212832538587342590354850968488574836307517477720471035192688428455385100621894999899034507437729418667272130050200150115588817201528117421049209381715545796225749777406729296214453276506797510490370916424823932621553979646266759575101140448184188874516192779996564546044357828182179987017808107119871336487524253122591827711085307091507364788449964474453373262215048351985273710066220614023986374499880104226627068680060248230395597485912177515652263974072243457282239672417463679395143797857691766774290795278705484661596242020256026850802130873375157036223804103860177403799579504135212862398246202564048022193111023288443672198035066309536737163848529261
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 58 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075030789 --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":1100000009075030789},"decimal":true,"detail":2}}'