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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 #1100000009015013262 1,850 digits created 2026-07-29

Value

15738326616192932466261027501483450471204886279032249889085756595510174651683971448977379686065738580281771613946999350213082137208753064736528087674059545772394322680022631244080214790160277178625260570602852894826363772608700171239409115915506495465008957526164653998462642360446056406355026976206759622609754211362549605540787678251220350203210177592384422434098573525214783236947028168608354454337431638217268468679719925944669051763324834634714729023439396665204368607910252887208893392893174221477879467737237516625921127777903972602210304050349646225341455676716449693654290145700828518327300609078127253085759328432101490433964350125514668171639037164580789485459168180884762336092279984211846202614641027288420394159488770195192603210576415436646308232802605743696749423810937501018716554007853199247966062059118556264878028285024329809818174503071646002149534531658371435036516918771353585873087656650374415684403521127137528576214421947999737944351128038000637035795289828487509132009055375822216720603856554400829422584212509183260156775178039096225837342720728839977096644534225353685320058909725713545027183521905849611108544995548367526065671399384776598663547599024153471969908929524096345735985866539134968014153125435789849633808418460151606330088022870353368429293309595106469236494398513532198928723210315644790048898050845073487644315652027944197712535614841197675035472643364619298506298227224065854519131901512054743274060196368627591749190335160216746921798867431524438863875233798278977131224893668205026228784493015809343018343989801605362528398278233701902885766804153623517356027139276335091824509812479910838647950264222689574490938868311941889142111392358224476996240976187528484381641532493897649029298552869462970166452911915455265273770511221253261221851532987012137496886683934720133362480176249815684811781414027343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 2,702-digit prime (196 intermediate primes).

Certified number2,702-digit prime
Certificatedownload
Certificate chainshow step 61 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009015013262 --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":1100000009015013262},"decimal":true,"detail":2}}'