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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 #1100000009080661996 2,338 digits created 2026-08-13

Value

1850974722557371302569021383588089374483225264387030829436989317743508462896045377903416486598666878664915652827928531616210474434967530431671981028430204602967394166317509305906851466998003579162762626811858861607998761676852608344246266101765782993959181232457036120848481867126878622597147647309583040547669093303557464258315470740111563326848630669086442641365612311056370528702245120285115813962631270085659783218871635149914894314107241585756918758222982880057587803849623814562967525709964300030514792491223422959392991883293166836040525403833620103457031277272170535667994756190614191044675537272851713173034570975074057405342132401176222621221917054174214871521950218969170756958740597382475040215594941255099015489844589542899505457089933001040213204128471560973737468520001417290477114050799434185889365697211483288459748855316065544224680339550341400011494340572282386047372040186279874582384532305553292877339784983658421478902970349214617318074581163997622945573529094544125419132899509700880143437700524842765832624446351455944702157880889557385668941648459383829494619278920049581415538790211348342485058447347668051056140252398594417675149890707204739466408920310318626835288807403383396544616796838712319744959542940707228976568794112327724463541623536469058490448859630553957394436367657489275843392951548858816888127336494357939626223458163408063349050516603726483205053491336714739976058735381743383181927735668694144128483528980004466212828971325467782789173709597597943822854768987381158957211984790161141080855762128828444706258751468772364288888983585037576003484198090710889844462333969932927826271471059169498069417842781517787567816621295566227017814943448380975109931495949736689889315080165124611735340130013649945028363345160349666840253369524728358880169089683613509056299453118096932845746589309029989395673756463952065949374389421189361298517553560425080240749380751445971630419488684386460462430531795565210813269649167983016352315722983157854195504119755843147976405082413133499726173252046321869738031147788075529806724809023524746099483269075748683438239379864422226249688151915192785552591487584991786097847283838092443815626833729259469320193422049990718953669129072094856758343805567234103900465586731822194090005459699936849718029333909663899594073418367059566276763442304792138381828205281575801
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 2,968-digit prime (203 intermediate primes).

Certified number2,968-digit prime
Certificatedownload
Certificate chainshow step 41 of 203

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080661996 --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":1100000009080661996},"decimal":true,"detail":2}}'