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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 #1100000008678587363 1,965 digits created 2026-03-11

Value

181202492694299330005030963590896096611931631717434076282204107806407913806839709768616009348595359969241366107917310720784018884488651015667761999196410891282724535486877103386950012259554292883808215618585444764721141153202062805478871003853202355320474408114272380189409022253220863029585474559351491995032886960853980005347819561834136347913950555089853414591603472668211236677722063327719005179519507885626630933274623802707657724194941958017234049200197523747555693520046198912141591366750392163986164066720246653783203788511520331178339135620411761932403798997986386792482095621016595581614312647292935042003729110405206333003351846586817198269618408922707771193989645594608417454196983167080610075835490283995724449357390389192845365264287237116128164073634524718217893731959690468108247396313403918256313814859087237292557653746558109620696241965909230439860691488162450960648765592676841868331430052938902485671524713200178590046524778687895379348675858008008245250555517971288381908843235725322318221107868052816225940022094255189709155292957710865828114409713870173386872750998937678167948492134389562085382121476494205061097506360017434771960553655282876142336332611730639910490507139732543257310853382691570540453658809579162702135401945032251717853660826062438641851321457346420557184137300230737595530723016466803628699956368842668330075183339933734173606545936185222572648160299015246002302825829794631435545457274368470639785471104915168878339654104087102195405549462318537281614519915934339920234121050102208428130775083854028082059434560314830881289310541977217046781960226027280996405357775066552190959758551015131974672446956578877903847839507542231535295862984913787523485660841194680518233975445703405656658003762360468325662454676860534524921171155143533703599307854612075251892880746583401614304151949970288282023788698512798026589965284162283897160645926671741881135665555065454674404269139413692004014254109045311112300420265050360461123
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,096-digit prime (140 intermediate primes).

Certified number2,096-digit prime
Certificatedownload
Certificate chainshow step 9 of 140

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678587363 --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":1100000008678587363},"decimal":true,"detail":2}}'