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 #1100000009091155253 1,264 digits created 2026-08-17

Value

2152584409754001928881584988112946094218761853777402107556878092837444095741946256929443595431876621433628366346460693727550918507649569390904044387803460715998637873275553015793904096184521484589472783181646935965149264881162658957965518239748883020272947226845863449696620683022842387346209240528248242481316137250309145074272993026385567273179258678370669643413770035349965629193035360495033066921552120077026754704676244900587251408328340622013630530591687539491422609872213897466212855113287681762292848294298480954343603501596073371152669750249745956578427650482211240182828223066231596049709227925928120854549377908732897824664827841478382878848894375477363836579679262999222762150505325071630535435281766285773680912130025301778948349853154623247735056642677991396740775573790863489245189915771973382534286210622549060534067522965673385841447719463352853659928278591689730788723497204839487909125931590207921648880299070449810147323921051385811495132193205008394305633932501463779946091386931870287443530029593879505743025541503615806124121011589785663602455655260478341727713401896474048110375288749157751707095855634386875374831233247339013612567421098981594541552124416556269252324930567780491169928216827933656039953212776205660561420525786210952133761
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 2,086-digit prime (166 intermediate primes).

Certified number2,086-digit prime
Certificatedownload
Certificate chainshow step 68 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091155253 --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":1100000009091155253},"decimal":true,"detail":2}}'