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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 #1100000009063550298 2,406 digits created 2026-08-09

Value

147989747805687383881178081674416771729671165746744252522442922240406446353417558198749017802953329103077632858738647781818568303299695790691050423353990889118529893337909460973216665640685336709628240915265815432127409033907628675806775335097100918778063993886947775550619060097904622766019356702564249016671575608218597979119014316241603419867634298427757608442005742198191038385239804428070427421045697685951420015977863415912613729304529587547403030168377024517517588040217941860452002243321928384925866439655481584652939627768257948165188387911304376910283589944613127679968494503434588829855254259020980240365752239606762538078214624236380199185993966254016822209241386192312125116395329565719893366909137002480399112171164073931645974230651120765855157077845977439897452407667977893297415183309743638957633600176216526609731063224538294145653431068842626156585069427798693206522524196267922282007902209956659917250676607607095560521510104728075708282338882200224218798839588529029080492362984295755847078238071260979824803441293474812545723276413899030075396223022334386226948738612026297391580935797840700059231023096158265379209224292993253688808273714739257938874099133728689154478865752771157938445910576732647943180000071221887183492610051949444988894544072307954756165496810045137950730243059046110081915034869876879403404134534670765530718836638908322711475663139670567700221272736560705757776364093245550478250017947297931470244454674025878783260022087438554303873638657455280016639170503752747742016604123116130634616160036297692619792276581874607470747799624055144825110586787443225759495111160410487901062860610668406636542355225609666655243560010086085516019127748879331919770637032839255807303161491680835699020965478556424003395938735191238342317741467703398387838330596243455973693370537558685940382039399200522848143158798908349830426026769722011265964222459184388132083732905342834837688982246629116295028747619659120946323690342044034496822295764433315152710135788095501543289375010624956716772811936196303001605144930950628075157015176766600745658325493966807913879664639068631529388802236344481249079858026390571805245492385103280806221179494647902518258246982191181990986827745757694124270482959693330672335856795759029643904059731522085818182623991857716579459132393544452652804801967252899599379260539471061212587892348431811338446140146593423294229548694556833693337101040149
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,626-digit prime (196 intermediate primes).

Certified number2,626-digit prime
Certificatedownload
Certificate chainshow step 17 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063550298 --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":1100000009063550298},"decimal":true,"detail":2}}'