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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 #1100000008674994725 2,787 digits created 2026-03-09

Value

527372399843224898979280981684222123878239374721546169813798956190936787868388038699870140561510819300487081064387132427440715376554012767507937342412676842819128849691033641268123074775304122768574997810884485578676235971099847351665129312958266355241286180732978446498214650415116128959627142199537461896205451395304930325071791701225671544312887075003980219358989618271305845244927409631441123942075653852403578668575971654640863904776419890636171922116716148633324619390539944573669860741377607102250423576091204842966250539053091074062441926420741431611269770896771362971391157775984756321563252807101893289973240233857188898992687739094193949612536548874347624977479731325737081792717824240355332133252954375727497462729467671278213090478237422884814730825236589255781318748533815620492717339116617257000755195809328677291165721307210336510345645305193071390552577003883330652943688202231713037885047970997336052782243892422050644595258126895628607479269281593027846566773776912838509025750865061773919301825587516677960245348237473669827694194094593030201540049781098331482471520168493141802174906640857186390536360003333556663303574317541918442456765583059037136047081779983612463444451727174296898684816880311127639081832843526037665843806895161625494294016811750177827338285158483717837208030482078406510613735559004630670325591629598317803521298037584911005165804779628122512254798772676871298522111682483193310342279235189977417135736376987344882321015142859041990925122883355905467295663872159436990997811644776037416974119683735784907506917190877355265063681601521503143019726425022818519505645096885711633512175660208236627971787782799417574907554256457488622099874782359522005805266423329552858930278481446505160806453016125417329520533038754938045976573572739792733346228242697520655065186591988107615529852282556647772810420056896258249043359117931746372699725475497533476251141360168001365328227166283216681994784848135631758551949234345935360242038182338002624854736257999519031990515522548159797114250238093773908943946394046551889647815064359477908108102754852543327633822106755771775703378124216656732895047344202916408712581092064596330573135926443740496544341142727304128946304423010857052827031381481698879048946827385834046201218067404630317913989285042193695303978408484990865247970810239938427740985449982636105880231814971450376030316944969584069299011244886224292084839203196732442332124851770951031826389155652755369273548842182577137292649985826455982877059491540923465780579920470998521730123353066882400092913795856295772121478119426023039620135600897549487669464712784739787557421679463734386950442928473986836687365414353097641890337408186326072249841159800747792761163252452265421980356140788592506812317590931706010404342908600500952522181726344107
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 2,906-digit prime (166 intermediate primes).

Certified number2,906-digit prime
Certificatedownload
Certificate chainshow step 8 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674994725 --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":1100000008674994725},"decimal":true,"detail":2}}'