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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 #1100000008270920565 1,900 digits created 2025-06-06

Value

3759508174703519823469605757924814798162856801987348486599669356386544137629731108768405428594893292189294189141733390446103573960423730431235020373626752003255900424904542430204967446662344934827625336268758398336662266148621646921246993051634666445128418154132789280195159227115397329062438816861102677675320825843540280224295336086337347157187749641983749145461798746339904633505386753026684453730467892526921042000663540273878073673459801559204041310501142448592571959157179169422303219988368889964096877860419045709126537999847674877640148959119405402122197220406917748311791288393302947236422400613675034398365122172482320651982581921854048492360275092612574240707780475772992297036740485389551252387328140581056293427669291112528906364986015831809411572017999552171054580979014030654170974125708368715086757471911132491964819854442308868566937740004477814108611171576544613001540855001556985837238556235192742782466411970290943844066672667930536861817445107144862070778978856108109628383427202584005302168135218314414032728516275131639092417550507943133118052346348168915064257540970944811118178650852428896291972137179139280551328438663043579936950267063132757544949164269724886113519338803390531777370391496123921154339541085702436174174668813557653452609481878808079680847847199719200872604383188415789012322922153284287378770569484917067554809775716526221133134365248002579891599157585769093285365736300080171429568091856532884867286501198340257137497066282809504934509601084019235567359768398588943291784916897727400491858099766473065096046983850792072693382012357545305521418854963908547947000533486601177953098875333883737542631773906834331824029082513292395541320408045263086515515802018173889917596910247416250703421242527588942287790125770901615732484420655114453826318430909121055324456978936394276283547953070310059952178960098354815797451224244450082936106777074965477817028885329
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 43 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920565 --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":1100000008270920565},"decimal":true,"detail":2}}'