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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 #1100000009075030805 2,018 digits created 2026-08-11

Value

66736100284540207785123479834352469859451509391356310296627654644740730596864813631403835005297683192563847941854229717974246132260952220351591038956534626381256350779712916050999044424741748946457198650023716164153083293962142860245544589581926827091185940143256381694201858867758345720263268635026486699206608652481065383829275950656148745296707901228432494416359080287563097743615739568454921443753838291076066025098152355374045601388950824190422426346336440263314108144067485181346220600134305508943143628903261458637055474765044744981170354899204390245875177500868866431236839327716272507000951618824816669556006730806401105320642186782153769382818530226467514875520762636837467854264457393450043998595125879814372380034451848678465631914203210766582271259826188438838711080078840214567472381276828266006861312851984175349625292700060696774503091704433914256648181766725637571055429118892280777169954171424284067589418315763268206358268195781835798195347535849492517594963708028920736810691649250731724135435339915177529780351865555924610887909278920627740135013438732124482915300635697661471257609801838995921913616324705137971924483427721223046703881317839708240479433746683430597851096531526753270451561591923591470109950126468286591769184625315910479372560847636633596936757848725346170178191638490905569403675250463179628659089523300121647642163504206199205917085206470908098784656106894000113679488770048127950475833528715493645367081424628681991758612369788403666489097139239275627017359278851507699933841794457223164762736332397346494004436638908389086647896951840590878471527069639355261504498513632113329231409418663669061105026254239782818456505735479218855781588721097399151618923164305192607299826414220551555671753043636224036895181026349522947344265962068919502675370668805847363976719700287122854708896803245479813725561878955819772821374779683139771210615417173784508819884947579504110449170972516019169268916769549678866716004746717279010918581209201525913487580937614110687808600517555927682579
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 67 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075030805 --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":1100000009075030805},"decimal":true,"detail":2}}'