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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 #1100000009083623067 1,695 digits created 2026-08-14

Value

195020050862216857501996317744265000459224462668398419571432654747906681890945251396179554090151525284623984397852721377387557223741497946794804863788817921317561526937015132164379754222031504638428221448270708026902899991808293717598531733889083094381847073128848494474644940477399048337050430095504259532735631883732452872434512916890225810097558156977571157691096783322356327151655163070699706445643322027629879579122942531490153810435890838942354514936575026922844226318902651611163486594051463487034236841625888646083615354357106612610156735235356972402615869995603447256507822522559886478369331807096113662301398716249318290113896532412855493759597173509353431730618297084022914052627870666375111698255229606005334947764012161445078228285622780987647832201043778870338366377417215066469543558298622247345789762247601459660395086269606115466858569104817116942155099633626855817233478019054186363423210828699508700899594949592881431824867826372320269850949410955253889894637641802213638532843806686490144493275791548033801708698908559832274046122123374340725342169689949554282368856733993942841500749326601975213822524550197335123834539322500097630757197820547574600122433061483391265895302216715501603337150383752109907990881190348141462412429870228975871230861348489590520972529413344609987801037601473614427371528259567692789431160314420228848161460230960171392696128363822899986865079874445566561277184803589232680961381230140414765136785864497656975381685252592878733150997144097605501653381177210573803755397041595829307484623541224799388251239551402188285822793205260595487901431270804684552849218189437422560636321673680711877640964543820002976059554643396077443539837321800469925041
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,893-digit prime (135 intermediate primes).

Certified number1,893-digit prime
Certificatedownload
Certificate chainshow step 15 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083623067 --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":1100000009083623067},"decimal":true,"detail":2}}'