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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 #1100000009104084326 2,033 digits created 2026-08-23

Value

64009808335598678443943597895046764903887824982834960175945592584602180383716558507651031348041135621938452863403972522786647869227800535516159523678267458441578969048892494739579200460689898631178536413170243882163126397146275977301189042864842304269317663252260149016332406599435422354550438731475664901233290030687975012784746128672594453201994648877118280430748059152578580184856175260279298182859363867568178508747490401639473216651707579626349725798168907152630078437139752742987821891393911977823188451425713599923964736742983412381666419774199594534231742850881216741926569084724935681863302272132709825213530113076173311020654613226240186389981698715528382503691212106940891474353909920199966504618856746201467853904481213576966250339979097770865592478077379588841223072992809742959172006739026455057646858410068293642423015811405222040695135631702797120593757667155275838695273197299949027732434483423367506882374511269725336135655511621890510867173901424748015832298624796671321045322175433260398355673814002851352670687636967104909957177908334934050015822884092182464648921133459218361315114224154768790891198448654438748711709955613503808900317229986295757137495573070656607387550156580825933317153752185738167519787269223622408508170307441073642389865849644317612016742291560129697961684713525185476130277889479304005005380750885693709116177397564520197142895821534470799086207419967274025788626822454228312212968465776531204120368955689975214144615638206032040477826787304487182547644642959867387856132163878743139992538567814480287965542047266118512886022045638450174781788719806133481377173914583839606606990088722936353261261422815208096596433632540659680956494120773827040192918760604412646876907501730219651406947345208841384099374924611593811239591851577757890449699389130814607068448647493720697302951160631424218159436600028343859525138504333956372064825852549568939826520935866155253734060361374852984773495476180635763435732433843803462347265405277415159902244549696686344835994939347246087648324863063456141
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,989-digit prime (221 intermediate primes).

Certified number2,989-digit prime
Certificatedownload
Certificate chainshow step 72 of 221

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009104084326 --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":1100000009104084326},"decimal":true,"detail":2}}'