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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 #1100000009063550869 1,538 digits created 2026-08-09

Value

39677762622223041820257219835884281967497459933484512889562222209079610614617177113766527437732482964377358839026271651164166607769049326536430613869119256904719047781769265384234035452030278312201347882990176537157441866266036280654516921471511965626111091592777611773292860371798242038213255569367989886268157531688344231216218794421246052158157552050603648328004002318060679072960285540988604053946672268789152545240992788802380845285218917589737702159582125287846530081950398121111958181024090180212102993508123101906794946854075769379163277491494510286497704070206848651126765292984132253955908364030616768957283397586330918506869648139605603522656734859108608011145311778902283043716511442990555027330639508473110598014963112314824685620809434562474524631309987276320355350017079126674421321028572524221587856071105348329010773951981862266323185646447249583527224372231181572680497186125681848958285143984118954617928222016914609743750486465997096718424030598882797656465655991028882901458059656904675532153891151056984729109916411696791876724820781789910568299065372175996463039314083339388892888854153313695638807066998852288005968474163298687161869887532840865944941292568052775405718110381446289087743060607010411277238505035375700755740036989099206687897528162419627512594696132539346359008180986452423695913301213362931733795234579755264598026100391919966506436585593834471129569790529459705891269562680244338298200700801431725858792530616636809149321595281458448307667949361052567813587462858951387774466209046683884000343263
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,626-digit prime (196 intermediate primes).

Certified number2,626-digit prime
Certificatedownload
Certificate chainshow step 84 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063550869 --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":1100000009063550869},"decimal":true,"detail":2}}'