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 #1100000009055123091 1,747 digits created 2026-08-08

Value

2942350066997396901615986734072425434266234789191569175612708840937073688580324072420412315621415114728219726769258057271511349661442375256708006506295666670142847257300732854639583736817925626462790057980710521762584191883443085444147929235284488186663159564018736499267776412543734399174395457389139766970808384264919342255863698626949793064583627223640677783589446375131886491870192696457649959677481640439038392059797528956394031256469581725103155936398583534129442243886728351126074364669205066786374359852665799775164954179143525403646437290641625833558645664552198947634316414764337726744559927967139520255878071119272361608301290837549112817290867604261994479818415256764636982404305149105234292650896481391781141438401297722601296751477445342350369761239520556287049001388530393045553510865116557785174324839042874078859398224538059548861015361436078822432060812333349580087449752017696165333320977315869602759633129390646261637629722119864297307508199843485144492160209062265214280255066006506143346877347308999181452209301262784716927703620855376625098435185825417895797778905013639735490879713850020054579342394121906514995490870509286637692024989247454896902523385255488921222311988568633430488654568192891800224452114253568542097038772296382835084795735039197249636173687848035658341835649842945338166132156802704735320295050829066454795479648002217670838914510194031080393117497548240726768129911361824135074507014642918593611129970862021434948143069131270681143723656955227265463123204260708357833244366521809378193008578514119207476413093158475496382626501889971471355940307708621510850319066404781436843507015451347354509712420954857607524164046475147955440559151165341184883544542296995049763457685147779825669558804619716533499
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 56 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055123091 --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":1100000009055123091},"decimal":true,"detail":2}}'