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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 #1100000008787409649 1,883 digits created 2026-05-03

Value

17464965456183488757367220116122797839956598796916113043408753386334005902178935384741771631147518321489625516439594892022264686539062275156155907714813614267618022412594861959976032087484447417756498389124407177735514545015893960903490361709778252351278332791746427709827336014106346739088758811572002298937437017336333351001364928177842680927633643867557328450072762569455826629623751793714767960634957649464033383946880084684199967159360069464242619872388798111165310558732090255397606118533206079208435876165639674902774693788301912354926465516175434719645043790950026104976253225281907130878941200254495227439612885900936659542490836139504350545146387227997588677204261478822258191736078585611158014019789488187235438227521937849893186721771860461512337438548727353330889926693383538344548350767333147884129161393097254322141036963281958695776936622791769318978394020125657810272681858283452407041359581823899101717328226710887899184769097346670169312154752150984904455604688374629848750819139484873333031151627906278225793090575069014218315212094085355296125871331847380311558703626501565199824472279529657240793444456670880574332393895029084451952682691527847852840872424564334474951661500865159337673294584806628060967884014666142632199499395812402822627082808921563043874108193433946334513109646214650662624383968434013298484646829902059195139775890218470144906142275107572963677232030437907074594673121214311502363328665817328702455848201906143962405759038327421066427275675361684861117732943460424454496987782486834736667815441513099576090622334228233384032022499459418556785831243964340890078458729627942353516021837884528953193790939484388486658037278785835477914126089640298840588471902218832613247587246317841591532089588592779448077652786329125112282686405868638129893297037772276950569538409888531484338811595474384293115580016057994853930408327320937835073689186457
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 3,261-digit prime (192 intermediate primes).

Certified number3,261-digit prime
Certificatedownload
Certificate chainshow step 88 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008787409649 --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":1100000008787409649},"decimal":true,"detail":2}}'