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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 #1100000009054111448 1,514 digits created 2026-08-07

Value

25453242759792120407118697966336866565186979849340085902049244422245670201941441115653748215431579772397939684827531052051230605987819724312895852291235625461359643431769918855975017832020869522736894591104489999768449548492873264805309776947371169545308891314375860566817954605519771698953186387547731323979317771887956381987873526105027511844295529040516359717661109193637421525093844996018322870456876699827731602549034660998188367929876009048402021510520575300834153845912227820770103881396132561547974801121220523164463874389138722972126263385718031057199675784221521532556675603990261953463254852867524939789180951069573986439499944263812779842867978007458566924981580749805553758802207568275059726972513730142971026005826874848679176269616117484575534877047263993748397284187374292612285696401113098707571920676121041764631091521715078431612120239551856068239782531323832624372311023270114089655894093576313916768572999522700713597004478950935535732224025130978381670577322939129505484252113787834446290276529137335280472601344701962231805268792024924722420502024976623912432975809700567425843940263466655431074535456184326374184120448533190186897147950368923322414229822138935772578828411339849408657244876551319181869764631674849751849655122036910158378941017069855930549751986500027605121471259282670507099131420690534810735346854213512532847861689867925131840697337483941840853994795719295094626729362071290811838639389046171372443574051345074398141341877572182979230438130526243255083933928382359520257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 2,306-digit prime (182 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 66 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054111448 --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":1100000009054111448},"decimal":true,"detail":2}}'