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 #1100000009080405704 1,426 digits created 2026-08-13

Value

5118157519423841755271474673523112947583268133413235070272666840574082654093839520194249123262617231388674234299214988010620897887325098286497025225715692894758161387794847988058295314957837479907413909347821001273362402748083408651176529704779307392878134281274812370862979264749702745384947422368986507420856790647648157341749286010435004609884789107997054800374967905883601383737477091372082479294516994084298108403363346299159109937755834891833176809613680281473366712409575099501066591446622016307942249454570396377473637900748646318868080706218624663975265967528757293656641329179304512003316468204409645544697964287574535770620067629633982365910356316922472650833398626766424933158588697657195965109461198238759060157648029242885420708651590286844414674726229404497953302101407892686895448248109006695807285963085642450384339074051930571060825883523362072130727966726199919290237389432882781863247235984756155468590338936813743058250674348879594289473873123476257135248526664726628503114044415271091126197870186314207153423870750719339168002770103980841960564334710754243617341680538050484466772749204600902598755211684833861814141550787021192897947461790800340487728762385586381794862641915491650507063296155925898283810589256059380686082532786543765560076949554769745895299505441401918863701142367260695936820942167649124732699756461131098339019092896919742901476256731727056689968778593635097616104393946084375894327
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 1,921-digit prime (153 intermediate primes).

Certified number1,921-digit prime
Certificatedownload
Certificate chainshow step 45 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080405704 --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":1100000009080405704},"decimal":true,"detail":2}}'