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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 #1100000004912872958 1,582 digits created 2023-10-25

Value

7977283942996895031735307621949049986719668264065200720049917408457553821853104982875626971055150662250970899091776762251675744551030952955473705110371386494294661805380327033320933924318182024470676365828674822851277296425876550928693615363912694431287091656425594348136466126241139438140246128034296327142211321714863683508949442282672415603040574564429813054226499250702705291541921638141911035022527943656468098862871709212032021534861474969625974445390961823412142404693626092950767335359155958675694173512277033807282687247396034958313375073310652040991401329791450345478459239715055393412788922834882139867733040379839051446134598215265901315079203545918992034775375943383078339190591284865504128946027477644672627972962223765940744790136217831681330877557727309411759318443174045377446933001643718574051469886422064294377132329034352926543471321002140154540883413865755407165753257593830645812321229858149187526822282181867678741105916509601896890208037724997826734521309144096642716967677488922951737758503493236165523688489331588643219488561796910896454883813183907498147777152868390218478599482693087283356645332987849254924685960310701266884434394535094046286892688769533217275185327260898177094890557334804803579474090602622583661089014891430055657429460156623674351708007572218971630486457327418244948010132366447128241021509057814998922429122328373512331173118315495528744695918363247601216399862339715173260326062353035866497944189804018106459311889788093722418684903229987634893641205805340834441284490989084259704031801079657199552058058480941744767942549431952509
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,000-digit prime (266 intermediate primes).

Certified number2,000-digit prime
Certificatedownload
Certificate chainshow step 53 of 266

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004912872958 --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":1100000004912872958},"decimal":true,"detail":2}}'