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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 #1100000009127082473 2,248 digits created 2026-09-01

Value

3041351442252586002109226336238965224026291881963771545960095457130002961751703399444760073385473786028871817884834466417096234032391149490209498369095831968650621568103685261666445192636638080777803067524100142133434083135342846866652309263980799273955309471290157008688921609976451016624409541146539093287856175236277132169338421452307053059200371045947297656299185922342729149099414926365330872202982603640828250642848210445622343281778154132286907383509878179004800336597243439091408831223582763835928407596656601932372904245117133804534138514919618778062087862192714360190715917633698655509990858376107143917902651290589407173196599939888026235391316244272996148766333323264626480060723558446881200387907100415110315185574671957635919070602355109176816402871478698519553779566028618502921455515571904047509520752036727428616216029904791228895173820489035760765928616332204300307908655613072877155531970902986659156425276544568585554062466885210567123705419697643756527769961687796593562725703983949473970714493298575054298048835312854075547814931845201291891460493637778566208281775111358815592452927372466021078743098911615867601190244654306174579062373084298291408976376005663839942540714081673022577962511670397869656182892203878327250953096964711740259510167018262923924983938693478244591922285368185334444409374368023771874994889572797073139596815605867052495144612605159917971957903261040373703625463060747084753035233538544932455750616832032649378110623726809863577793376097291659138975519210699711451322734153390047894084624297145794539995390677359707729350675110596668468712671557027104301744042467803567297308398845785982013132111316942516832519875414700577924401144894671104414501883978403229270971123072123500810340880767794589724689499645643459640442698413054581727354358773839984740136033285865953125371853925470333083297003712298210904448146491771611518994193153114180054747939625162253369127201872981318730704369297889209815421038797828559817932640776298523113096928075580599493285534402688151412081054771811987525928008095219307497293876815739583747368446966789653035679283351040098438954285328703665818669816419193421775072267291487892266773497437049218298666482242241219550364087123110314668556406461908131998486721871601313
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 3,127-digit prime (318 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 83 of 318

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127082473 --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":1100000009127082473},"decimal":true,"detail":2}}'