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 #1100000009018995137 861 digits created 2026-07-29

Value

478956877676541018732084588423252130259862615935804571705548405790938792235327265043732657251118955114439024265478599313026412266043112502099017904594741763237499059958041343749859432972068761889249999307126481275508923747289501424879021849525886081571771818904471700087141390906819638778665495267932303151706769032656609795972367586108162419867731493503551339798242722704889870423730839220489822302656846746642832033033937036166274896426950731612671593727678606526753469935221095382900095102688092847791435732730951639524784144569633929719197763155933410016879906317549094351059311159782383465430326959100059230892476523635072298135002053981917296451546724249932933932653563172662758379024036172599351596339238195026309234621229022306412076563039493467349785686785918233925989621460367672548484371081753883832245510714506960893377871160724649423248849836038857
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,063-digit prime (89 intermediate primes).

Certified number1,063-digit prime
Certificatedownload
Certificate chainshow step 20 of 89

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018995137 --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":1100000009018995137},"decimal":true,"detail":2}}'