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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 #1100000009069605997 2,067 digits created 2026-08-10

Value

984376846506909069405416927863970159637377925974006887980230986847021217046429982986647803359368292334959851779335668595374783185984760576914244120101418486821005548288971203905883486946390891611282539210371431849300232280332330024227619133889597505167929355004322535076564147231937456336260924327337647270355790227382098616906677360846760915430672788008943971423475277310309329937317800869763729776955172257149566202527920727393147912587415365565414122911867427465365977317297605886925113724217514642453832754963362771922655773528762191183641117878657769468236073392316896421113896830301300704859070016569495975077142830698182964715672662408883200089251637973955948212941848543463620199624522409769538632315660012523595856237094317409864137299423223524639961637546473637601100512130409237925496475093468938504405072063032718422545138767478199597114148262421070717692447563160375806933924114633919987091465811386908576958691864466992130240905384238952173896222602331643651381582588327937137265694284802069811528421709859716249883237272705138286166114602057508012708060200203774889624168323680800173526511880461966830198250819246456657876319394530890126920837729939778484480292396968155414644754941912238565650543220815203813816398236323799543400138236502939404838900944920302435616938038895475392525901178690096445363860988676329802644550345023824849641997864986079839724997294942806459858315616039799259077095444398885222030133845478559979205595213415655421550117913548158161645751877808274005762987949746903940108387525935219643857311345661021897583522652516222892311014222457017513254339221747219250807893497576454439567383881999373015543120038780907895363655652305724981725422388765115491522256421326353083330762304002168065219690390488236674143017568491075904738000896219015877101874687578165979541059197818191070232248333704554826192406876356667575918125343867874319998288023844719001928270794127467695251993546378840372405869728803467698011274566690328135272406965773158566464032323720921671809309609380036136515345075943007591694794578458600526897092478875901
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 2,104-digit prime (165 intermediate primes).

Certified number2,104-digit prime
Certificatedownload
Certificate chainshow step 5 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069605997 --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":1100000009069605997},"decimal":true,"detail":2}}'