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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 #1100000009126644082 2,522 digits created 2026-09-01

Value

38715669394525682434437261166455254034413401582921043659435808916915449894339726812185855665491488879218349045239643222109732414885664260956074351809744650008289497509191101552667564114251898433571393205625214020968869295209590082950976846762592132465667341197741368790219498394241692958128189648805252115579176449899443210843451433509919596389729218583617570488838113260042581341221089803635194296278812956351388024168064046635094067072787755967777289268822751056393057418999082013221628364155515356329090455025550758357268347355812105000217455574793749004274917207344283139131543907394333668440943441661903092825084548901765666003097954840852381829541933235034919401810751431346003903649656922680649519787745683973953490191810347246571281848716468239821641902200166871631528687125553444205013330217910765147727783258618307798005328727490312498562754694217362334010422451507787913957154143976311900910737553512282365820436014920668564328639001301171264987040139282306507806583619815222819200226563678577189925777941041601065751152947884045855548681704016922209066508863534255773545617378736879406607222849854708683824357420018321453602386127252769421304564141961609799968203801811118619595484426734602196421778059656832214269084002405863441528042171600754194170948810472519437172024750097930038328599042814060212331767072217206361862656695813974425240044574855377870748246589499564221356046118352467445002461524351319437420542663523772681171948160409307754505825947628518279283553328548106707649472333344555558026427014030678927777238549870797109263683649466327931217851798750173399548349767806382258361292633421515412285481371727146476103043725703371694831539453540583083733925943097040115643543676906262884977573237293586336284347189955320240675841710259490300586994165506982065625129693844309631282487479603129683653981468324933192301037105702304906341421921820863122416466029455439567661516997215963549357874486087170879673179884834540127892793131024023794605084112780026261110455543962850628449828469813824840131023133403705746247527607814503002210684950746488822896458178078162974818242362709394945980651511154382932801727639494741807385405492776644865868817553436562880137302285673616767027034594378069449444082913192893741093213450257918661518340237083824824204188656422572495455895449082325156669987595626281254951111716388270844051989786973971597450306752257559575585237567924069264778196317759957952101620427709462551123516751718692355521440795631073629348423121886870092738690186162323995352466407330473266043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 57 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126644082 --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":1100000009126644082},"decimal":true,"detail":2}}'