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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 #1100000004890742932 2,194 digits created 2023-10-25

Value

6498936890083780195047229973822201764146553278174275354334267041616835597146443575416156768155342502527317408092881472780613563587589869577542695547269191614345062956737896229746708258818133488010577555141860390211198615261708440984562258008891940071054384682730386896077274885126238625362402374779215561969217986133470554236626536847702812973694624546898883115562537993712078784360210064320907720627296238524107851850709475044223945853508574494903231132706880597841225187307973737904016474987720935415607506746885667732735867677114359774959431521708592034013213693265477355909162855247223266254452669375347749282569644045537303018379245375086705540665831527186632207566915391765848564590911101451798622865031026252161333520404096474184243734376625099679363907081655341595014244441566327449642708054012896132850821459336817633888450125344218646333224923843587686132687393747700009448653394380725159610061360600362816986963667776797804915186230677076289949827865736723697983234070850998367739758156195152670227225167012689783508070129731763987676658481241128255766992208863563545941593087589761079247762269002008601824189072326764983638757004073172739923723586621934309685310427784645224247562121730654286583554188268337102861030691771330613400295557184726138666931642629742745744509374938437091789180694729554751769808786584634027189547503710143982387980919239259954295678687816650674662169697313494573552623281802400295822822713901429136493228257759183975488806034728265855762508589997631341818579985818167207138091446803036283170737307183670988013935375231574737784616298002364542570220081944545208403993545581544964792667666469834711640803144107290294216512008201117546643215168286157855166701892496164953663817125187729147595738295462731688124958467262499915582048065148305158205878695455413112517539413698409439727424444109317045533834539213766050607062871260860982287725317208491845585486264635928054415437689338598601693280332513317920389105914998682009093420411979232562125532478856447702871341564924928672899643500731761105274346561658249797328739010918954888775553915672949195860911364379767833038750772967292973108861533859246245981515624031963248322097856345159834248146877990616673
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,229-digit prime (258 intermediate primes).

Certified number2,229-digit prime
Certificatedownload
Certificate chainshow step 6 of 258

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004890742932 --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":1100000004890742932},"decimal":true,"detail":2}}'