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 #1100000008680031284 1,549 digits created 2026-03-12

Value

1378827127683809112326734167821328692860880842470462905764217543259464666419533776340667011496964517706258975161207730510536158980137258248291005793842162238205105861991586895553811680266704806963994509617275009229474155873129221699116746276842616708530314443012576551360200842476291631004754181048088755180701489561185931446039849763090415120087950924914564074636387956255238779782468674752176806771336235500950383740751994667219639392867000403273953330783473654336867941942238628271586138635488811118926949223446102268336198423705891981788288318893654901337097602537306299596906374129767517632137947485469929097477336257338625142457295486949675707965760925264101996958696947873030910540727068163738404267545538351138720196594031108243447242884719261069323384822025793829474317966575812606784295932933825515234890811028801787553002859227485754280471994639781183625909520961377726280246730225024167049599997680535194563591704270992196095874431091806661447071417211357162354504353858955448220308414506699043991872719953986072620934886918482886554745416760425677836809393505663271474846495205760259027420747243871211446977422484814619026167997474433298482993604592177839520868095107506714279504399105068131804318373068742468272607483730790636017046040965019505215356187708814678199052583910825533800370756082046278289981182684271842186400341504968636310644798922058408602681945777602196120486305482669079009252772971352283470874227890294633119672645559842294407930611415944004262364046838205145373808439683549354630776023969175543533133081795540604451
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,975-digit prime (206 intermediate primes).

Certified number1,975-digit prime
Certificatedownload
Certificate chainshow step 43 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680031284 --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":1100000008680031284},"decimal":true,"detail":2}}'