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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 #1100000004940370644 1,109 digits created 2023-10-25

Value

20027128777231644024741017479694859112209783191389561968560366284850406733035658377631337870647529439751668736170941189599672563799424066314453205677565269950303106097980068499333729990647801736961403029689890401375791924514467738473844923117576004503918200058618307762359741107618018491916488334815346658950616152518178196722813909071867041217483746799854535735124184080642709318841796523280015761007747420613439716100970715887502385971874952976083587629697972218915949662931198747087720287390375342769019832749587472394923613363339709422031687274791301195812026763218357380582033942487728643927930287013921446909847935592895985783664814495214996775733853304000087527161930333029898021383060064679719616458422842185195228647062740328104850021113676309510980762442049017701173418534979786006698346662719519700372215116949408604568147294835212232187820387559235352995823203746548273833381453151318198643691985782740254422624251514153481190268647295161367214901569575272749618931140686895000702445291037291317068464506821268704817787013914560428751149037055073041266360658843936975180546833463363173111953670363
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,647-digit prime (186 intermediate primes).

Certified number1,647-digit prime
Certificatedownload
Certificate chainshow step 55 of 186

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004940370644 --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":1100000004940370644},"decimal":true,"detail":2}}'