factordbrpc · fdb
Sign in

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 #1100000009089583520 1,657 digits created 2026-08-16

Value

1398828659642594936814593692273351646127337716993941813020017182880131076066287509119014996895002230578489686692648673437257096627548068872322555183633481970181434759366009423750863770749910263709878477447645972727119340482052818565830368238190269716329111190465772399061892013404716016775679120812638955462081231038847511211732985577022813059269238663497222463533765385581274539927097968638000202002964588281761284798229848574673880836443805927835691971315027178809380020542120667729163956992729001460977888332761342933925713814925433347749992359758748271283651434158509955458847078000543024484420634452036115683213668091122906022870298805895247759564402883348549163913748656293209585319690874976416638251016882259685524710802357710600666463006859731509750372001934168373745518179943742759554376214359482013209996756943716508775871716024577074064382792637305404539491486989116173464759217818231182902918585420079471527936717572750307970273714971353988915541682277160698443237490488599841538510523333234185850264561873521118995951142514001619541012565154206027049350168275355419076978825395755952597403671444754419341273735323315791698283360429282602005357311473144189323846101738416081211928050974812774571827960649830919190515558882703275590837515577453070718282533227463360397996700408937387924319972437579982810205252303086517773097910728393474088750481960015187974536017803547244470504886628811503261085814716024438550824312551636783552935503013469963774773091058615864851505779518469171456152022370616276505720524846082398823898331208499182598424437506255924762741107474953583046513667307107627368415776580979417929229255134463957523540500883732995021
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 1,992-digit prime (152 intermediate primes).

Certified number1,992-digit prime
Certificatedownload
Certificate chainshow step 27 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009089583520 --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":1100000009089583520},"decimal":true,"detail":2}}'