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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 #1100000004870655498 2,226 digits created 2023-10-25

Value

381605888273801218918646331661169368266358156359552632033746446181420440012064953448797361421789190993128638459574326662055416847917280691424112265625641308817062738994229834707638592456295633030439505790949701491474560922201642485282403919084860611059386425401004023128712374098672981979951143010787327742527181106211529400496306661206343247161956361357535238721501901289048677688954598100923359880674870509841802004369190246236220797215902797613525525043129249862944720856402576525132631630614319288503664453538327726414013772145152605456951990230637659885181426080276999552470673283243414198180322721228713693375252061539124089581647835728928709734057602444485367179199205460050850038870379379550052478703656735772043314043044735507341948783962871951329307893906671731400541319063542855889121644283563783881785465247816452396745064181344021206986888196614747997737189868877901797032175467935084299484871199828565207846978795281422570285946709940848452938094178264857866752860261440582420040738208850749941375902647926595240465585169197731314319154368452176108220320480341009675321778902673205578954242327553391128548263659097722041309574963277035621110081750232082363168008361731107751651726463127276214554275353516688413409001102595680211036304558163839284254322420441583652480529606261644820758179836324409953532996722166161260678638473501161923243035764775372965767040109473421998163169543369170062261138663974645214449854557326288794769034964221268386253993308714293776999479938416683669604556760923866805196886161734489519947214985784122147540847850885996526693556892435866367979254528290249485036365286331219760674187511279442703042053336701398562232181808953791600153714666805019353514109024704053983961916499173579437606777180771720070148827225823249458523388044764023795813323839713373609651455831964555953895274132614735939252017643162835424277982583972121116711832093894979242854070517306603968537931097250597343452537649128026007807759871206657848214270382209232184873261115061756526033829601732846366324600505768658187826049361343452097809022183106178258994037497750213235152640598370563500428571856271741584431673860630461137501186844384467245287674225962564618631000482995129947770704004596450877844702089001
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 2,631-digit prime (295 intermediate primes).

Certified number2,631-digit prime
Certificatedownload
Certificate chainshow step 40 of 295

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870655498 --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":1100000004870655498},"decimal":true,"detail":2}}'