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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 #1100000004857159952 2,050 digits created 2023-10-24

Value

2479680121359862291647078493411118675110195091665457530989571502482761605971651598604882973440448956472225865340107230284387771787483783019916426665580520476620938860647751479993388297439639371703579574894109208046892858582439785554249681477427515416319500366703701204896216105415691259709029877341919920935854996235332193760758348357734384129051346890205302453743230253905927891902761346646187660267420556120302897482066580036319935788866810306901890521577019540300250515961192526771260034458286254361421951897177844161481943873409754118176335440750097179498032179703754908535098902046460612018619715824017067272734527365938538366004639367264896089456740006376465228889221488587909000527745184968355252025695017422620225493537248472742382658629930675986539605288613470918627323103175036588782341565245070623113619006596184775080347503850378008574318041363439858691927519912476473911966625439711488518535732235276146373592743154394738213753298909956874054353088523331152127900917693861497812081793638311527128437611723166705776392686650436813241205298134980810285635082557281564545877591497822965911840476122406897815144707664088491838214205899486628205903250136036379652011407560659950173765294850982120640836466507098926541704860872899222242844229258021984090638150334804026596591523097320925766710451846010829984096163885408185300090978392098371337440898921600451930507179919062921268876112030932081759794014611482463299562500751610470444916351581434446215635354680080325457052608801841673406384309495075931135925793290299928977028315244235360474251864219839206183284594386271555378372802219241723057762089531756856698813504295043178629325174789704493331589009855802615328110001176886686485541485689087579532424854380865421078732207229649213675007238750263142621517413866716493003148856649121910464365032641177214901854431479335553591822615682772558930652873552723704837329479238010650724859062806279581082090894420257572183644481846642941750710882852057169094655894502176933731321847640302623252176640091591185254074025693849111103519348634725061
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 2,997-digit prime (315 intermediate primes).

Certified number2,997-digit prime
Certificatedownload
Certificate chainshow step 89 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004857159952 --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":1100000004857159952},"decimal":true,"detail":2}}'