factordbrpc · fdb
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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 #1100000007785055512 1,582 digits created 2025-01-11

Value

1999917525458791966250668721775431200172640512159660203460837391826126290731957214804008238193134887090774182820676087568813904730273652274507420299394684791155812382734697237730918603968337550746674006603470537618478883819898904751767848319517411479815647233797002724778255255533587349970134059676998444623143250883068515198409327674915605600198172458144288228467443520233198911128392861569903869950837063579922806009652098904612586334887173190434117169067666733541295272831803758460254455176353445476462063635524357824980114509723670972890621031511558655095982863022966589465625770796741521377604853628534857608565577403039844046958068013712457415015301172533461910673584551508999711460337483350688769546258803231287133444717182605481534328648890702456957823200696212433860879473420735247847745192835928166582355805854512496006568557959687172476763368504884990221778182279586910489422882501923986723911204041448327261264451315110428993210139604494651968239148006133488546644869747112769741377235761134837882118373128253896135084697943894278259029527547627080425325673309295795814961347322268201791712013999202108608727188022782297574977299142211564397909117481199110200527046865528818273241399892528989495094114672233274565507466668870102973391313942977745659766018028468216313827007927735029116504306639942218561992948048231573924408571105269930375522141062108033815561930868765462410141379939410262594141526448479615294423790083897954589119394474449305859907112001304034751817872070527943283159776224309007513764671161857806100856761495553537464510561195879886377600732354896517
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,878-digit prime (145 intermediate primes).

Certified number1,878-digit prime
Certificatedownload
Certificate chainshow step 24 of 145

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000007785055512 --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":1100000007785055512},"decimal":true,"detail":2}}'