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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 #1100000009084007850 1,167 digits created 2026-08-14

Value

444179449553851470145855940762497090428051531660961634469760562118866910153846781136912243126793169958056593265525915032192234225582977337088851022655039445824834173150944011233607298677071367749738133237826745105505831625277354027425272141276933119097531570288473884754662009072402957611453660416022765101063016204314762579102719868123242946283474445129511606298493278686743617596982482443981090712807286795210379919735346383208574027206566667805827954895656712827963205265212842686175652134548178765008430431670854483625049800684623739835006656687481189163675825832199191934026644626311621808197907943400051906679212002168911055992940481239354282013855013535813734550406967407885536963811893560327437107139734545765382363747062509669697469373261369210921267989761469575500125825002293989298315803879122219165851714786561799833559575610229765185247875204930621890279053625393306945233693597077732967053732637708421959911585800460946323373449532839744819745221880611165589196528748052677458431282355006551735957146957565542017927058319538216883408696234272536736970028643078960334384760474066043937904226557549563189843599470696861979139939379318116299406235019538353
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 60 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007850 --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":1100000009084007850},"decimal":true,"detail":2}}'