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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 #1100000009123228035 3,037 digits created 2026-08-30

Value

1279181081854486922438188819943020247901424488096404659034780110311204226242265300452615374919021813278337494257969724814233916987198059778612016136467908044083254697719621781456472304153349191540939704740645053015022557020367848922642362170793950119340103643491025321778322486866169696216484959803108168764765195590258248201756714005216652618156004004623367221509657637624949744441882955329756385343962008946869601065050208648283436945772314721498342997025257539492535460472218091703007422218938919475273835704568272934520885933020553991118416066716932227011391059353899202739246528218358021869705573406706043653136186110942967906228201988238013243734001366086309241880839133151680772191739987279609300085571072422361939712872033982854749964881268442242532653765469171329789246441445608333724302627793512700533208224626900427429769847645330116903926330407124257138361882226373395839048407515351827385986462170104235588645683032582217888461120197117977036420451582803106991054134145939649625747427412212381320735369208787960453897677386846958458007318734740454553274215226167472355488739123654402333430748062150880105028371424921605118305789129171407298849214879310834531497879302787935565045826224476239319368509138982148683510295948134717125445285415516489294655004706777054261040337481674539427557175031226352343636651035747170634598391676955501608106183376153205208593887623944424091060416750110212446004672566257557482144325980009981684566662971252720525778441506915360513093821029883148686866736561231414177060798744571928034338665539211954594674327038198939520898913382554503425567264940653770787815643366920922350016918465151300251054568120309714269766425741214819579102718855904948960835040460487492827651711578723169173129729973362945881708552099073912957458707265563401208357628871281528540405888701046268760804948740962342356715598600766311092288685480519756476465340442748108118585779854248146580304198333909291476899690704566767733770874247240245456359280046520073383556679259471033749496392892123995481647782006494033753297868216317694189729225079842502418383101182940386250861167231308383230651831817014202386191481276860995985827072342350700847889261943042393017025734447714037687231286349230922014486575566655795868397464597319303511828607217715467687603983722845066056844096573403064421366806150481467858014278069100888833267768979690678603512480087333170666781706580751059599759483233541832805617426895119433171339943351866461455950090302821668351024445329104893146947320442721509140698625819481615354434953755856523990808834334708689087062329308290502056089876197390512063242165486840076601742466836529360971103690579763273691382611273947713711211696156632941842562092524054828295336030002452632470959923582525716781374756850488953936691747306399348360716877541100678700331931512799162504304953707411839588690843147479862598252986732253523361041073299269939950124718870767859427457401161972892308307717498874336962471478643990438492452368753919853501862446442209321350548647097223784003600297089479725610799821778511
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 3,079-digit prime (311 intermediate primes).

Certified number3,079-digit prime
Certificatedownload
Certificate chainshow step 7 of 311

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123228035 --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":1100000009123228035},"decimal":true,"detail":2}}'