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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 #1100000008766976772 2,675 digits created 2026-04-21

Value

70618672605255615361224465795661984277709106828008564298100971832779491227950123592550853366705527885251184207758268351144936448617627955939934569892869573855103729600370871472769752416134635638649089967835715102406988103828802493282522956211536352234185584137312876815959347531150775659015899016729595323606856992813778318817469682585520858870100520461024046544867007658780615731462200548860630643036524213909374919351754361687713652275740648351867266369315443216882140493325111998674043137328544213638923084935472722741440867723050664800342087202060967117915574136173633572474277199228594275496230017604145978163903672908989617315038020255443237774407687402968099672444587436906380072913772870164936773857614148034082229748797952446440140931800104681278853300581710511705862807004072466487214807456219067791305078797256396852568288921259984001547135168130607207798856939678298828373590703916249456439859105752804390473745907063503817360522069974228515790187512490879256248192772490057153006116129066611993639306577776118375023402789206168294788367695448756150414251522201891601451282082475715201991737503153132965524276193957634951429765050412802626874230544613792639442950470318723516146362526156122419285001515896579737361363386196060397891157057927883117282966213903297228233819719178749707679089173246174004446385723219754784734209412357664043124598897491636852766677849728330791403841401762137439736162707025459718312118287403606501857992744304475886508901466297755190574628466364988300498548414626741567256948618250260832668786267277864318389315829560745779118559550295915285650553866082780463618369746032830820135794105794057543020544422156282585530046313787565204283042773059157908749199529141547217221226651508351781821986289144573438708927398960001782942911888623298917020086134970274820371097984609702103394301400777825036744880429023636673146599225264999053752910619175573281932255920227796369126931298688716074460821559501708166581008281401548125939205270213628597182989585789732496960245608956480173859915348478624110900436353927649925230290159312869510629319816904145038996232854604214397309512630780275600582896466683476590093743407390765693042698202694586048284524022201086935677163811580451628115225659482784758141081605833954305046068450255481944408532346447196558204545051624563645849509520037893694898481272763175252879604816793603062582922840850228619869687410015211672023676165574042255110692387111603134316450179471263276829199776788376889622316727970734911726511317421045433020609320141033912967316117165934433111526000547358246742570248380871864225112807245233061369713553813084340860941263722886022126670522496256788983176731239773960918739500579
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 30 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976772 --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":1100000008766976772},"decimal":true,"detail":2}}'