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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 #1100000009055123667 1,496 digits created 2026-08-08

Value

50844189994184393483173942326174752317728437551927927338894436032310954248181329513783337206184787250006342080320156075315224360579903902936471187880768391545997861006679607306382736895913300551501699058684435774286189107441461637373478638292120540135715251090993623276172125146874849377655054511345011312422909279819038207470059596400136352168821532638721662706984375703941393123178614618694885965993838301797853584239794818202188582320324127185758771396307242602474992804177117155146072536856136305197430746236190226790730845943419928425926860116167185847252400975676923455141815889016916156190195345263747519310102386719404601977994658180912839241094663093705200381839428876866705407445178456161038315035636079488457670110049323065268147323532923356656946365875931875557175468334749434294191924612017136290274309443988574369344580842360062960794827413903363199096649643627535055731141482099115907505143713804939141444700245096634319197348113256148282020719662638236613007894090825195391315312013121507982372540184053466628104937051746332413353971698175425045578648485417875517859909193056969826346292731787362574850390863952744640164280557251463654389956391390881713179856796963592137528090597986554539061423982363305636559906163048363496377656296544373852328211625660497799437905812907213673691605640763748326837348397909989754612871312886932360013763728502492231046622597355130448296075165370510594442268013466810343960944610022880523855808371759320715163568517832095394896308053689680316271
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 79 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055123667 --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":1100000009055123667},"decimal":true,"detail":2}}'