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 #1100000009086732970 1,739 digits created 2026-08-15

Value

17407885944118512575541272563634535556849320017802869743353373675765406547692417930173853712089967441252105561776377014863046885984081384425194917808528296337842992172592327912381936424732718242980621450870548108873203417394167740401097184311972465148487515208316219236468288907113504020507608795936776305366233515885810885497533179127888902953389275293396350774521863073288334727638121099908696288545959779550681349132054035962807406612328708761392646163213306440809512300510956308294294409688409262451574391717565998801704427092134861687531467945442495330402603738986510091877676770098221469864699139310646511482498081678152715530792389676746608823408021203754401923301268560188150309622824936170681315651607660530575629287245502937186888913614205794224747932695273523803162587868000693148190597532356392434084626922106885597266042260084512598083200570616342376164205072851758454351917035830789121123661263591446024024141251896229005371561318364923810697332743369382382745603665938203711759473945787791441558269161011199469760294176663791521865388531555046762015040952875725766110337770141748678200390911733012332530127386420778373380651532889593330988716666537706495661668505576331040354887582842229184008339057122318204086277310117778028681459376974677152134763932630822398202311762661591311617293784992162659849852510601860578874568708900569806829877031168727035657639916462169064922417940722069322922070133918393117061986254953026104193499772407797056725064415459742955768476323098973783229622286121722708643103874132965916655809591459507787009510433227159982535689472981845751866255013741459715778633430702797033194373621011078639252132146638926316330926749375288059148901323898461930896527920254426262688588306554041520163728325261
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,973-digit prime (156 intermediate primes).

Certified number1,973-digit prime
Certificatedownload
Certificate chainshow step 20 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009086732970 --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":1100000009086732970},"decimal":true,"detail":2}}'