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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 #1100000009075030839 1,985 digits created 2026-08-11

Value

13839419765817710706783685862245401685689789309204317198864761474680651966978786547083665768897592981865270341241285708691084158469370937302196195770147089391345415994537595130547667260455731186360459495566092137929174762771276335896813109692969275505040669632505290620898644749538442568092832883945864871968895792522104167120835958903155839421799769551046473118183434719181312174971455431832487982547864494253512908873717958715194470974040739181307613176894064414520046609620373895707194491679256240875570837576545828368050332341503899989818820532877172807221379075703585864612755773599739231663907481205078744288543283731682067993112808754107682072973629880913729829912152735853252461607924814265180206103057323991051302122584864251159037518933158020845703180510904057126802227738161598566141055902696630543181062375583991454076365311801225644501862257368636808026978213638403034591218381666699604247054361886374204218927513340185255174591853965526208281871311600078896308226523228179592447469530399498139634418486250616467739460070866077301745641465603756470996181287226142532062085247561984121711025190140464112475636592544170326668293477412171498636319186350170256396239192319024340766005972933136491909687543032427299475669173435888167109922209596691253117095088658961208457218678254576600652640264361597650829801535322860684584083778011654443633480638105051773889804155583528851351419410333154983846830027809988774316702459920482049662213381904419531074572885350231538288949580904687496817168391283674911353744554339329400374171163628185702975030174584971866615057614738303603974922326571806086836845866134719307995906253553160849505291890737063745531806167902015495798631296279761356943844746069392394000926225982721585078086246651204851850985285554177088303356472141161489526365052506097683460873142846087720367025155367915058346431843716053302899045865024647373555184988394547485196466221528064628456248670175899996059904339075973220616989908457164960915933842101395312029129
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 71 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075030839 --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":1100000009075030839},"decimal":true,"detail":2}}'