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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 #1100000009023315576 1,074 digits created 2026-07-30

Value

395220698172838601815214856632239115214037424586355121029196234529094741819374766295879295338998583406506335250760888496462901164904706298320546677501081073764683823412768882960166620272780819039457616057480961571568122412293870058037935580526045805335081748216914442501620607469190518345638947426121631433955689483054807335358419442872334924214418111834287051259147177637002801181190565942220638681251791511395554333124152171764064396427630664472175162882774117130140402075724226246411331170960115869120206682835287315932207480688336332805186339702229196117515956455100352023877541616312393432242994466430491482540008912038054353488653446065439340590443788599585301044068483324713827755540904797348196336730686218011454940222435491247681576456772144868433042253980149574186753097632085419430654702087542558961757540750263319519973101116904648390544120333159002829626162820552857952499956723757060481984131464438174105964460753353163241541585886903335416717537938172319217174158956207487799804045068248431737417047654381714725786735479283491975760865000788196335489180604501
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,155-digit prime (104 intermediate primes).

Certified number1,155-digit prime
Certificatedownload
Certificate chainshow step 9 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023315576 --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":1100000009023315576},"decimal":true,"detail":2}}'