factordbrpc · fdb
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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 #1100000009041853018 1,142 digits created 2026-08-03

Value

49238262030943929833528018267131720594034827766649003673498954226065249037827701095641061395225493339693340131093902738712140571690612653285041009114279500223070683111402243122787402137535105529802143198520701244419371272858170065800097565663759555850594368269241392601416860511662274255131026614674427659996306789536540181775220845961492782352689084142074390035338097493777877260165705998864177707256950958167607563279992070025946209773379919645243680668567075851956148145690015275863131049062522300002985064594391190348080376759986140652494936157109287840150706898656796605837846147898338300022615025317553064280780301683616065268041779776543589405928880461674529829856507919750329352476677654039674143338479963163581580204170670305483889469759632501335092547060072276246647594584947498090219390890618721415587093038888574061471393122455452302890905098033761557820137681700162112078966201390311307392057900235590257036825918558228362415912847228564677588801764264849711886794621824162543078251384531859674172008570584841844663716070575782044062978544294233129095279458126975733018005491599809626947119235499435924987679720109386385933807321
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,306-digit prime (109 intermediate primes).

Certified number1,306-digit prime
Certificatedownload
Certificate chainshow step 13 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041853018 --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":1100000009041853018},"decimal":true,"detail":2}}'