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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 #1100000008270920587 1,897 digits created 2025-06-06

Value

2704682140074474693143601264694111365584789066177948551510553493803269163762396481128349229204959203013880711612757834853311923712535057864197856383904138131838777284103987359859688810548449593401169306668171509594721054783181040950537405073118465068437710902253805237550474264111796639613265335871296890413899874707582935413162112292329026731789747943873200824073236508158204772306033635270996009878034455055338879137168014585523794009683310474247511734173483775965879107307323143469282892077963230189997753856416579646853624460322068257295071193611083023109494403170444423245893013232592048371526906916312974387313037534159942915095382677592840641985809419145736863818547104872656328803410421143562052077214489626659203904798051160092738392076270382596698972674819821705794662574830237880698542536480840802220688828713044958248071837728279761558948014391710657632094368040679577698950255396803586933265148370642260994580152496612189815875304077647868245911831012334433144445308529574179588765055541427341944005852675046341030739939766281754742746439214347577782771472192927277024645712928737274185740036584481220353936789337510273777934128534563726573345515872757379528740405949442364110445567484453619983719706112319367736934921644390241851924222168027088814826965380437467396293415251596547390362865603176826627570447592290854229331344953177746442309191162968504412326881473383151001150473083287117471486141223079260021272008529879773285817626761395868444242493728639931607560864089222471631194077984596362080420803523544892440185683285232420932407902050929548700274829034205255770804931628711185573381678767338976944675449880491897512684729429377217139589267995174385281525473413858335622673238861995604257263964206774281081598016206898519631503687604965191174449223492888096277926928711597881528386315781578616031329462640510834497970474890902745178022463485215887004393364802133437278438047
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 44 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920587 --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":1100000008270920587},"decimal":true,"detail":2}}'