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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 #1100000004873011810 1,913 digits created 2023-10-25

Value

31806557746780788499092178881996090694273998368554559955639364354017838542558864169609681840753272581163932595388943961135913765940421798358279296706632172833016932970471219759000708245973489818707579584419435729810571467659110643327961380251837804470305034651805949416355055110231560829552561741741918276744633350793675133101395586010815709095817242393893276994562357770930081031679172054732970857797363790053319338972107845909095274885697060196606665640881359167203308185759613868781881484129238472258411278900768592929772166530658567851830557392697938901247786368852926997841982846840209415059352122975066189929029299961632558581181080611874169845802323252243222283250135602016701948946293700353405732644814889931741228760934242752908089746103461924674611428317115892051372013573930673923344797428540749236870052895494293553577898022594108683054326343225991986840329533185915757410244449258778467443688546080930086424251908139114205179990254984792015401663698625461047447205698427939682180760706959693133585637899124432505111961416646877164265331872192833580093656544506825459499692305857114441124463985088451630707718964856866532899971243166399859388035970511742095642444473589006349654746581133325167350304866382552011471872352969425214933581604534237098266212052921625555959212492781260825371454355688632980523005418283459250003243237060989036519778900634077499277215627541125886829073442425623149924750120532665488289745535021019961546625891825304454424444466532836207798441610534065606019134132006866575808918954287562768774764075204385892118308465664084263654857450572565645343128967553953079791064418420201735340093191386608760589571491154094857994333226830373663808821876694165689861696619319175654952341617332203564417614845383356964200311884705263219382643518985489537004541747005595249083673133911705383075852158344110630358272666748766716425156977807037248190425072646649785259038156928880112907803
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 2,556-digit prime (357 intermediate primes).

Certified number2,556-digit prime
Certificatedownload
Certificate chainshow step 83 of 357

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004873011810 --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":1100000004873011810},"decimal":true,"detail":2}}'