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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 #1100000004920979989 1,699 digits created 2023-10-25

Value

1138422272386007951370203460712889344542168876628433203301607132414932441575814793531732762579120934879675290611443306877662457203082292753718465769334915887279429790336439571381217649283642520979902200726104610727318247200464557297848776613284336260048405952115744211247934803091875103499813187067649713001586188465064637221690538578501916178103476250427424599501426318201788864220206642967110264674726795116988340015351046130297161158498127119336190195828207454823255144160801236544109143560512573435344249327712119427955933749845488521754114921696545118938275080181408889471542756929461539619277831983735706171977993920192256026384754867846774232533799329867366583731525261380555123535890883191546962635387909860496393542438168573145943496662608104216739614290056708885261293040836224516360241040296940924232107608640923346606173055147368513770882292636563267059813661569784615041708176689831690145920087331061846657570821286388990904449376719215177803648020435703248497400193541633125272476535128858939578759518600570601726994528155524466649704721454529525719931131324254614620267743024027720978591933388128898429138847678446327221757534285331777637098190452282493046590770422865075837587789153081830562206758708298524277809089541793870099163641942421624716473764209278781754988981279249867700408883631546581049387368478502799163313342611453201930148956714209250944896611833841239242262699281219764384108438979153949089260184630022268124966505381561378011675363195656062428868458083296939167781809295698528719755163894896953856657690290905123472087922619909937671775806227411379684928333758758115220486338837958917616625734697767839189840688357330090097085141962755996701049549018735131778980389
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,938-digit prime (251 intermediate primes).

Certified number1,938-digit prime
Certificatedownload
Certificate chainshow step 30 of 251

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004920979989 --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":1100000004920979989},"decimal":true,"detail":2}}'