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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 #1100000009056499201 1,514 digits created 2026-08-08

Value

64500516055126018960873145725479302503055671623685244109474302217324203169282372892880145901599296415310562789013571593567219870052565167509628108752477724609174077683999764203560352180269044102264261508145502199498004025922049790545938671973682627206673321984347605698890959491940282843587341712014326480056472544170329976726234562309763946088722795692368360307116568822613981568597406754967652331843005633078122381265543152278128400104981162260188354798098863136781468349167120419504225270872006319130555049078720196205847935536848753383189221157337100433602993188596291956870946909538065656615571057630830787560711539959879417302891083234206373762426303544937686301632578522207917018077291926838351108984138344958376328367873325729311185460800186274856773181442535632221766316725279720701042564806570847224287968061925278240936379273162689941870903723005786149086111384569552360696785280793001810511552063241219746589043666321632474111689109564878306099495911492190346870355200156660303580269091444722822149039714391065112103706321325225541338694061703417570447136424904562361967555942949606688350146262015792064664448102934493953952131795054274282585787278423713154362288868447642861182699568271702340688449723971670477392812334254795986516755113572321850066266534931730803756395329970619464903228187950400611623445746594141548371625347115568843862036750700512887883360724632901796682183324656928023293999581422382955078241582321460439069097922344095984183163911739532238542652809050347958427840255294816375799
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 2,238-digit prime (177 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 60 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056499201 --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":1100000009056499201},"decimal":true,"detail":2}}'