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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 #1100000009127304024 2,960 digits created 2026-09-01

Value

12555501463561528164443137568967559104824984702312272834563727618308587295571316038092930734971775054403896903727964949631357941623670415592019667395123353871367124815710134292130803020032381056400088304028593858258253943816244030146414769169280781045170881425041524992770417404214229783915050275686255855290656342821063442669291429788729742648549807375935505681323694096562039066714466365792987498223487574315405983925443371109635887442281755011980657478507876029832747425800827655589835180770953853752116762215359181163994633021176871526355736146045393055882492482119067855009406617659059022948325727521751861435117799510109644702956300534885567803725446129001334004980977654596859951040745566354234959026659978042958780051683309326319904779956725368336158667244951355911394266733657484262419790052469359726694314255518852779555493811987219767545520700702839235277792287800762882407072941248364693607383132510315594838533970273789882314809717890566178198388292695090097456226690914421801749882699624677443085289129663808314508866497578196154954488088438253101355911678523288501933978631979173553583975047241969743676112861132297462402413484388954048261637811166420627733519828702314815339275875523588893431875478995253550037935506248759981751280830094255451827538097700815628285796272096164956884982506023572731009157092550976671498203116172946846993258894695694655746788302745007539916123002646665842890047564798226917220452879917331096790494155260371619937766493311599781125458761729475156055110226379886281980339207641683027689113993387492388398495804593286914002112991676780977957135492884577997415140605861955304043092614461050995157530763372223688613766026260123260188653241264367337084707309471514415370879732625265781593408305544866101823161199258639246044945111795072022308101441252460518810347926653995560776156014501732002175268286391461173756061577488639027738613708144625239895232240463140589431793477557329165794186122695558664754881293965924601286688997815947331119914436094281535023092444256813794777296535445485142536991482484660960398145781296434585149900569344023520130220455127632164894049868407115855687377661654278930202658734701987881714823341566952158368351775681375794047282646696409057564875288037161690545456794019849617861402535513194854217246666175114364959458484919662229715129981966206156219629783903964736837404069794373820082197693419212742725437933091212831544230109952301259171814728161493531807344693470529724372591404212896547131956653779936996147543631121385535855873079159248027084509255584812378693279339671957605041765146378636601369474865064629737095322811771335475152567411199468470975195919242824488597566516899901303009787005968830828315375510269062303609572694073323080291213833599106592117212354909040416910538334651007243606752396716792139832938924699422364589583182205718714788565106364007004315594522866553517233462825595940001173439871628530472359693034240624058349685035290909630017445093846336142274290471
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 17 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127304024 --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":1100000009127304024},"decimal":true,"detail":2}}'