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 #1100000009069115876 1,738 digits created 2026-08-10

Value

8940901479737471445595813215863265162333880427897874445132314349162762931983879776995514582390014418476422312645431546606467628495578385534502198504516112990838185180228619987497791166291929054741921885987305403898652595665116772605043516774624259139678558263982528532313687099669975386558939766261571571058500524530359551124141508680335296268483145382352878002141396621136778987350145540332490155569647241017843149554136184745320075695732562804101480373991646128684525159262469070157594062291371367238637133193209465452309668500850680237670493299842450609155055157170135673198147422778650800441471971757459527380680693604519656055268775731697435713031647696994191272773018517852758790738288969510786641684934038940981231939907035982124228519381829160151284589742105491748336945655606182635250798966052466741144868652231539529019515242522067950445007593945982151038115603634741344038716599916677963140602850411137615416843665586347975121475799634015040867368880779812029717516050019194928902521555763544185566517178699008488973395406334114639794611992331159106683225220467574636174331044790350870725524381198943363529011136433091637576422368407045088120601936412110814083594719047407978639275915059936492764507630735283211136285696747486716327515511106168049250952092395938842474870236083136412411043446188844354243526990977101252826232179038626432419612810503776724786266497779848755258786016323139660713115701715886044005430112096892462500141120253625157358090905108230451537426212972251425160918531694857406288823631345782684214509998533746563834376261538559591552020546534185211043394748765779694319303035300538659829182419540447587777395156612363225953832065420204031634010317873712251141290426090328475696985712294988005339826588457
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 2,001-digit prime (152 intermediate primes).

Certified number2,001-digit prime
Certificatedownload
Certificate chainshow step 22 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069115876 --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":1100000009069115876},"decimal":true,"detail":2}}'