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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 #1100000004875181555 1,750 digits created 2023-10-25

Value

9192599454243344022629182925902459784671697279114708103642397939181213824998648796073642561015943688143495016940829956442311137678472719057019636299045156924382583895376313028514874320926417090133255465185650307557059781095262754573662492893413529011852388888697337049363964075583011681891020325495037511078764200557152412318203167381437295227027819494085947604735842067334981313595043917453074871787984152229996748722496498780810156567514953503901203734079138573179729060166113820949774654494948123591727190336545224407430159391419264330189593000782458397227101074979212915349427523717793042536203795334088873678526751874779697582831545098365631316136320839076633536293264496122798129872830352282448135029085108497817193421633990761592260111372521865059373257223023623353709715262558457715341754692736852660643164715769102126634440590480136268203229301145395143738604141549441462907619695002193982694708729099886407259404953185777184288433737158282917544905647671558995058129219848318460357301872008765810531311310149491107917786274209604238651271424166763553386159456694443539383800193464063263627155295621549624081292534433965558181803846878213561267064311217717165529812604559169645581857503329314007183939172673530349937346473354652249095722934084161323502862614738447217238949975641292073816108128409050687327849316212925064425933433231432611473573877375775924039207759155368734339215775452502186879679658873137094023603597762288541154801312263498124135781193241295119498926300558075231215438906916153775612721839356026279779646183174346012262992193399067199899594300736419480115934264850366459640696142518457714255432464498118116527644821855182416210618273143553645503166582584003504526174987618825863160886525523626161096195312081671791150871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 2,500-digit prime (345 intermediate primes).

Certified number2,500-digit prime
Certificatedownload
Certificate chainshow step 97 of 345

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004875181555 --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":1100000004875181555},"decimal":true,"detail":2}}'