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 #1100000009012490128 2,563 digits created 2026-07-28

Value

1814584374470653052968006569791980852800422659264937803379416137046670902918419469026931594076315457115333668998787736346563816783098895645212298479536460403925658539217208068837566563148424516448310193577593848153317454444441833254410162446856967464598524810403722262123749911130152863527813765669482866565646273022295339841013452787870875026479989308313938502154190049292086671099003957840196027924937273350541327553709944662490532281335563319693507886579243518216691469035998173409365224865291551392976885237047697416734978000011287391165340246531518669258647128632204096272875481063477381215557683542065487889374143153658385263245986023540051240900579232894484316972550845692242843268890902274142561440201085522314136408360997985601101637150996247824402915325465672603287521355413748355986541650259443988835416507375465854660258048979193216109686617211161431717178429360787009872972069428214968043922444083437804943146785831283743950687863989371078622233654037091778859812102945089066311905523509021153600324862622228970692919332205918653027292986477841710746479013996589226536200309942922003032167940095700835830163877524850784623398351406763371997932560941318041010218525308501241680477017288009448010510724797375138467120360237099359087399251275592422610134644114629701862792262384777861770310918222521064978883935460258610638570483880764835206078644546108897930780328757655574265681396522490846067295310918583875635819727034561660716080162823541152826180813146253731561966301801595779732920814028023248148627857349455362635140063221501588105056582942837806802276666899114309361083807153868501883165163038389054602613722774355108207479680664811930046385281640440040558867010087628550784256400032602306935901040790719940185777968350919970923902527262151419908715566156706520364649175343855212547562960162523713061730967596046541531644347869354256637612510219042815414683306877747333995328122254311660139466226663675019245760514195030866483799833222704361976799878453107397273180815103166510526625093234208263059254284657298462321176252722200403573099626794295292313729547483873946542169205119873348240551121249884320513252952055226918333286770799348204299283417912394855386323522564502922387852925629994856884394108763506829344897120337346903609330359482750292442577233137464406701211421032521129091861466832298074278941802992615207880899865560735584897263048150911724698284992040339459420834514937728692942800645859603459582093308282426825170913270664093002738294378819592536932555451712962686968615299306225603309169241488762030158783830671338585654790429
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,692-digit prime (195 intermediate primes).

Certified number2,692-digit prime
Certificatedownload
Certificate chainshow step 9 of 195

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009012490128 --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":1100000009012490128},"decimal":true,"detail":2}}'