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 #1100000008942580556 1,488 digits created 2026-07-06

Value

199132398503462620605328850346501361716680665533005801220130908567211533273666390431181801462759868995294989002345533368232867884721354505697035381952663602390829433553412229399071297275735138008005764683548778483598358727839880282031453871062161177224483914753461761527200211435517076466210543910012799431565056503900012261560510247141361737414759950585533602198327022777165670812845291520731885372329829033096690427345777040385545542334542297069467038525980349943626382062559583462514961262560222959583868268238513886668010702438497607399576834909289212996165299936630081714281423216443164902123759177791183347796299857716924457564470594306651988298502123749981205815568330036244229944742616374126523133852340017795638447730936885804146532135879962525635266934130575516373714191680165998781792308940839907685467582453130317788479745559264205935069383023422141488293951868139860047289079527230436130649383796365890382475556570842877794454905741935985320697388187482977876148266323726653136183141696547537685722246967113059264924457832983418417977184915475895143964757147004195680197625283833235351538143261492414541956454112442495490248913174986963349477541561879379423336054377501248643830502974194453533768084406437853615985920175199863877094439129975445388961939136565839318733690667747774051332339011207389355434557736947518948024154951225612487956005190693285644820439639250412446490624886680614988947312925992535396819071379884360349258752199318946475130998655889381432006954833127
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 100 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580556 --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":1100000008942580556},"decimal":true,"detail":2}}'