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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 #1100000009104272385 2,832 digits created 2026-08-23

Value

929850791958371496305962972520167313486932140035355598254891576606676261218948517952691549334235740405682111226564680025954818612503576298374451964556218248296833513157522738663594970622474748034158540072439303226939415681124149589522848276342258320904561285792786173690067459440726454615740922710797544319672603114372013843268722855594531472555744968677153653808444816327756815239420696035173511893216374064087760276389455908644038009287028155508988241839799303165498633661802946422015286910136083861502878719909961706110797860276615395377920513464067833692190569003441378179248643814121115909228940841412290636020532123781317157744406200827877548344049564344776700471659885035339066825996052063434796473648422495224903513160459587695987156778836868808754924741145988197596713886724109382611542891011151873596164405801615965778533552980302885833164649450486576827782168257665218858183998107189505117618701845150480417504971910149124076009029510343087594106709690586854142874846039433575744906639092118193418271503438214458364718331955024024083717429469282976273380079842234945446158449292526519535538184409965952773523235621742160351191374074526657659176057986586930510312857891242109578862357217408701638143226228463940993686339639587884928779869203275472976443403198356885551705984073002576120433114392412499378870669820413613654163006291647678344456959762290658372556208901845163430447309965306381592733573239991115693593663657373270465364747611896161140694201702421429630610622175562848694699342747245117756821311073152340000870575709936870101339061479271391962113674175051215162172096356633287923585643936205516869655354549348519227736373684823215326048112035546103014003596518865190436370052063468222298031405005936920391211769676246464560136996264675835450243568576233037798770852917621093942187391277387041397025250654599871018983174222152845641107390604697801876451712412630075895715521716335136357078931508788625106972089292488713192485176732493632732542990034466518636040650485645988600517113418855466409933853543598005767442666005750778270264331209460095870750581953375521486716353090202840635847338388707733589184478272386001027964975589584724535607971735051763180389708390707089928483626405052360136370598815646892225346553347837459905038875178673425529337795620585446681063592273205170686884370973606267127167316711106792604252861014617108671312822528646297562970332520966887682483737658767092821127964507481293133873425944581724141766843842620741602135131761519281161490015245143688316137532432513312988866830146109171574070905785271300838896646012496838435436962269207965175876685961533671854330522316099394411114986294116305815696880787016283319638548870209450400352809369298993280143534416694224977178212647545318265624464342621525641299470293329107038875311632000772663169399147396421302108382490234094919110657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 2,989-digit prime (219 intermediate primes).

Certified number2,989-digit prime
Certificatedownload
Certificate chainshow step 12 of 219

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009104272385 --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":1100000009104272385},"decimal":true,"detail":2}}'