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 #1100000009023487155 653 digits created 2026-07-30

Value

40436334279897852945758402863918804520374000636004301349902301649113111459765208897179997656567062374646072219531038798368616936478251891629034388966648988219639969100666644832128618937811946181470912215484845376557538612418458202421208366039651267623305888258293704460092721938827755789605074492581629287981546326471881146596417254031323783012949479180857631325803415141664570253791218995096346984490419220875298022678060639256996255113699539270347063045235279131862001855762677453263379362109692773590483946002136578128789073404554266099642852590184465071186348165695069252731443912867318546894048499302573385842308410324173806528218013206086591852063
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,170-digit prime (98 intermediate primes).

Certified number1,170-digit prime
Certificatedownload
Certificate chainshow step 48 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023487155 --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":1100000009023487155},"decimal":true,"detail":2}}'