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 #1100000009075031308 1,266 digits created 2026-08-11

Value

285224836974375634024714574527367983494560116972183514547395849088586672447745740395314616231913470249756267291431850967254514392166820496391444948146023376767048902785501750296224573131966658867007762229556740516738894265363909417099435567012546908619951441070997499611361675724270079739748352449463756193943123278726301370939444545317793792727414967556179827313101252542119443287887118414439190618063176468330521598023605514749647569945924001438574617610571891952220451023124617224374050714919281532983261647898906372497205549016925521437151521824843522271670065777113608679486738887485350261844674253180082970894231120258651579885659222212642156748493320021325356594797132156443449909951937303286044729919156672892891868560218307400151536459114313063554696426875919110163106488522016592784125313109098707963421159529579620301086940534407310068029708143275820006885666337236269561773507874214906945329548668165772228345654828893350536783029615200212414787854168736031124547746600341383186475049094639071734996244000446413145729173839165408529494973401110247024619124399757615898145681878598096984286000480197242063581994772422354736000365298495084601000282312662267464299532776227038706417039632562526366695934756908885698501985184407776376049423607725648197509509
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 120 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 120 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075031308 --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":1100000009075031308},"decimal":true,"detail":2}}'