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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 #1100000009056642424 2,230 digits created 2026-08-08

Value

8924345294324746081702559806315061159947041010731625298928093929025105499505881543099178613189223072108721228442040701522096279838778363740434911032140330603578582685641186742632543134965418929142540070864454297649714607460939534731269157381628047275625959836926884167480118480231039140906975507328572620805367529471042771772991069165829197696461246175088422789043640460259198840054878889349728802131278028315121901658071541681197563079709612920196942725048530177664826691482707276047998097917302968073022008391169737344906141393030295612217276026298860406998187760064373813846964985918711384713810311263314711961826658163305650176661102064272372611752537980465426200010991529405573728841390126887460140495280085823132274700366052342934503027780357535295967258141682325933449556094794165323606482390893561604804115099313364318750176339374020766896524802868690002981429760681878805256070551532925250862566921473083623758306491391559933779031141106550523254095818394154531848205067240306414458992043535978669796372069449673954620820976404028991517597871935431784109310099296044215987094114239625673917113061181329764448355270802792516887166191127267395186269494252612699789024148493358705600540116682854284033929727845454698795573673143811495070918540753437929424096283577736663795698736004036741679393411165689177020904229907043309884063687861494629608263314229801306196597161317584128749104543129794666882207649146850618071462553055040398452040860764767631613023126930457798443811034027301070944387157386082646128748882382239413183431670701388376881489851478390442467464802531655896730712777264717344308439600611598328361188676837506035726565384668447851692183455208698155505539250350097545807265246119279628527723497684166682834778694566496801735348595733791030186689275172468741393669501788046571642130188242791701081183836906701600551115222222742623737286611006734411810917305936518318830953379429746802628799800337838265034742148935643742092456262623130724123131796049741283060883147265415925798872964329227566757942077623756101154097034526473622030131606652455162819871240316612222181782298006836080745608971432901886803207664305882304279911934701965615290597914522900670806444097780779739242516241621803269723736025678578339
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,536-digit prime (201 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 26 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056642424 --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":1100000009056642424},"decimal":true,"detail":2}}'