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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 #1100000009048463992 1,137 digits created 2026-08-05

Value

499992075501502603961895278049771874791879572342210560330129399899753817484426324579487547444660717486327374963664978166277004757748902262748786494657484589155516966930619672589540663083747082776148169138195455296755631065167469092552721381183354892018500202917308212689201609200079357564174209771987424139787090249925740568000918696381911310897601603717096564198979244977513206358588131216166431185836011013785319171860691259864348859346925389988501323438049174598192423684521417728538768720302966179588138952506742103314362987014690029412080333424991150665162147477910574849956397495855846186523588971430128531342046658425639197551720978111272899112878689868154677437878895108289036760886776005677305775291006869840229554490986050876856852780061480602176185439283998663493897843274802041030001773413200209871917134130251582495077515225036143592428975732125024879601087381537113551018783698382873800823974306495093420687182201903220749496799684696516105326518320311224483849948654167559244379644458114275171770132487135118918125360052998121354247649139435135538902462989423868428157963906077985811059021300774862323417761519478005052551
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 30 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048463992 --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":1100000009048463992},"decimal":true,"detail":2}}'