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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 #1100000004915915926 1,926 digits created 2023-10-25

Value

512331659874685850753854929700878703259363489457631475905014697420040357508593677102307813443139626285750859888015237936518465953600750641751222997337257695701100868223846603500654184692663845120821790631178013307183973128147177842003157456124381629739889231167051637440023420762731568513281612317185920335564152246016296856146879956987067195450198321566055157991091830488658655889652590676898399023348897099960206027170469067910290730311761003546358519038221309121052066353442746667862152980275201240507846873377366570898989063206231170568666662225880462397384058890529440126329983490961717889829372721254683304843285998486254000488419391361709141093939330851535918893525297945575984399370724821344095122196659951958752760434523734562595638341615953820703290104756128136913621690519056779577737631368150717045950117594433861855166191968209317299823568321969324533268379384200400647512740033251321986993897738596974158277295885130750030342951477975341805351586812177823791985308505699226058344168084331752590569983032001561190303161544727896755457420074200970093987694837403378067339483797528061095150410553334930234796650838498053473464679552406312165744441963044011877178858632960937695047474282967303594437603576641695955884305747126015320677553793007132966316249149685624704398546821745121158343754240975780387921500069507795681408289156283401876519569401895867176294553360694186114404218786002720819347740188619394577260753799369495110391821362345515791437353161449078185351647411699393883815080280138258816847511575936307549552834876835108501247350770081277327589717113128381627499003051880566968485658595938814852366047620883202678750747391751126418906258101449844619368373051413357406430667231943886871412968921833213165790276722671215380880012556828435073415601481341015838513931899074926792146267933849465946145066645492370807262601867796467198633748631840673718745919236204607101928446025790166526817706742135215891
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,988-digit prime (225 intermediate primes).

Certified number1,988-digit prime
Certificatedownload
Certificate chainshow step 7 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004915915926 --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":1100000004915915926},"decimal":true,"detail":2}}'