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 #1100000009048440405 677 digits created 2026-08-05

Value

99944932401984801783797591517578463587687619725585710463033137945755677789591373053643713129893398002856266332737705271975464200681735318707782315875495926163970710681818392679921694407687327398520758312140396924961988516691282418003605522880389361701013120437589985497215479427358891494126553699499275919160217384241195648859161564033056168676795069989164529172036744754651035552743409110436349205131738271225862040973999419998834257213751700364239408965965669357161267915845152652939840034206818807868341736535526029406123102172038120774870864400397042290255482128980234441385172196742721761577318792114193069701225038419384554890902131472727814045364820541691874227958940353
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 71 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048440405 --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":1100000009048440405},"decimal":true,"detail":2}}'