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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 #1100000009064579256 2,190 digits created 2026-08-09

Value

160384716094482868711672094698124899590653334529924785786772990092219539002584482367979465707803108598138336972472121276457190932066869867035374265819342559471967468771021707647573996111680413305051930644870730788909546745370305826280576458756353323016160992654575845314639333849982887764618731497297821015699901587903072520670324666270548279089318043063082316955919633148118759278715812182298927038316817614905124299303747025207575050531843349400475847600548851464622221540079341794423246681754941022903917294938798242535035730892222519996937969533715667884349579751231024442798459117475299810648438613912893922775126729399827299551774044350528814459975698001548096816693665914657316863208451031149139727107325554900413133747532433437335830209326561418801863500720353796774871464411473724859425945198663719305574205828223315825284799953365589418997645563742547348134501560668645644568096805439256792681444488660751680528701306075476630527133562858110549723113173056450165686999741240013126145735615207195818785097774213888058758422521529319860728875252713927147589115633824941834772643183001885777858250624453914037644217886923591826675190909909375342561834883236954263953087680867222588076879751313942493284493633133803664239016127223415907859590945548829079239030196552418648177878473978698294884630020039671666131199359908795890808291807822321015949716042027729966878481886691964237394135683248128863221414097878915443731333741379917121130073523231102390275043117305123832603310457008541380190774917628228581903948941142292777846460189538261609057271442934308439073672912091839596571236205509353602237707240085406579276618703289950787984646190088854080970776243046451449573586059479462679715272587612746290944648079428482698824987492010349083786372888457091716404602650353073731277011895684786895123206765625324207192968654323147584713321395228723353798445918898356255440245033669728355647157560751062817542655089973820547335069086825083272376440296604558269148701789432113679686541803167669590107103688659925614205946367768564383891776121999024972972096112961325528574455328959441796709125076421777233329582244987584771290166160713727339684588296996963677801956404037524918172316089537
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 2,573-digit prime (194 intermediate primes).

Certified number2,573-digit prime
Certificatedownload
Certificate chainshow step 28 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064579256 --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":1100000009064579256},"decimal":true,"detail":2}}'