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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 #1100000008676271782 1,912 digits created 2026-03-10

Value

1718386473832794237069081552727099546568118262700256570281597884144580556906568309313521312612855490982131522789571885435685377815553032959369530111500966851757472104126472046999583211473901036949821461090093542465979701645254848924025207285078554567271613441325910296569297770204256041837040035789350057733918986915284556766871414428069707835136232505549215455114674675295582023409679131886657390024591687895167714029147103825260863493121787468842041925564963163796356534385390630492489747931407496749278314457712316527059570114200406744988695471948533139369761317276080969881880624013891706794065439180932426518615503238927038159580552286090071693595313051111234475689653562662390381930067842047281047973470648931545068864767471279199637965518135711681699560788184340232305353382676688307868543076015670043983111217777904096988141660788402092074633247913315215164862885743559015205652874234682883625832082417545718167878478817052365969841109683588351626308274659209229577603521038028373691641427590730479796039347623422019191005410436143414461867422120275834312410288772762480852526318438763881927779103359794164944066236559429105806032023170741946468268154923789546622763646183072453652207542020737709490003812652622777353939178579248308720962618114400988595244415785249211821986386836794321417580508449536706392325261534039960603828481026368620276172689158851664184419888681047191414558769128086464192691668287207822201830842463649305570191819023822630053636238369848469000482323898372902142495010394457198405110573930873018004410122251319200526956393696795671893677177461979252177120838681086990087291542872499167026021192883628224391755102788242663519539868065651599844944135983661265299760569182368167909840024721461270748896857081576300101919408802830583045288182914425728202582545133281117275800398195670289878753944909981411899158836835017277213588651331064501985147367554378097796434039085300461405721
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 83 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676271782 --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":1100000008676271782},"decimal":true,"detail":2}}'