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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 #1100000009059331043 1,303 digits created 2026-08-09

Value

6550954435612807634631277824834693692804813215247603602777683982724587996833259236521939568560700029419918041137059511689836320125061701161787103103366414315389790203223554783783437256804374752605271552198281964801695800735954810663671617455506220637617753493229336310648566352924593799350430458745198560395777645562732638408048021368771564955678713306787898411536107398216160647269436922332054602138280947965229277375170286376092398789481956240199077972095222047222905843727386074451644863016265997357421698104999784679199082231740794871056198950603852776280673268029850925283217625385176754634441199840254676643900692856061276935427023951291674232265199885797334287290956708633439865940506228320144407472174734482212085926726313843538837463337949827440979330485345306528468042969813783822849426682205664670018799652248626951542075678045647620914569158748324861104223459468407636917708479707478112046441637910282830710624852040224605642277087650616128053625205062861824142057867729514254102233987887249447433678703380807153282134070656255046450816801657292501768295469562100149627980324961721273102113478950060959309885726467279020537471826830966405348197810147813109330630045511244968544048794827289509538401954514072694015601920624816490930330890285099933705868218887023698514520200498357849428057187
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,366-digit prime (190 intermediate primes).

Certified number2,366-digit prime
Certificatedownload
Certificate chainshow step 90 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059331043 --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":1100000009059331043},"decimal":true,"detail":2}}'