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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 #1100000009037628935 977 digits created 2026-08-02

Value

17485883853787686302445448342166060993111391428144919786220159946017593898612498438042535390415707292184278009828021265227788597890965151056112802461877877957722803758155088139441094175573791688770762508861096659254800260142906361041594196562497076607415987264118240038461803237364459410497039998108769674819756025386832529775300180920703030330259382265798934994568062643123654662529844867306984480603689128728784942278398703247923057566945675351796015764825799573957056681313765287576658664442134661397758593607216875813328788507951054869749825193662765948771115422452126414389229814706073296515929123386208016337145878839902346068165234702090513207833033487798974918051670036457455219370835847361851210858283590449812544371916972342647017637898399017450610251432227144237556510096442966585393312799830542186489459120825715300350655915800788856664746254843814054723378129187215270590155588648867763163329771746339560787166707250422489131687819436139541789212560392005903274119
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 1,247-digit prime (104 intermediate primes).

Certified number1,247-digit prime
Certificatedownload
Certificate chainshow step 29 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009037628935 --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":1100000009037628935},"decimal":true,"detail":2}}'