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 #1100000008678590455 659 digits created 2026-03-11

Value

70239925549474222004912721810624616168938847674711068782735679429600786244966221616854973428648166272664589566379426510261127465653414133041666611470189409881884470595882082022958119070600598145065226332919464150765387109293800968304910032569717233911413058888781467796169522124833185423286247531547807317833116810616655563827108601916607600619008697471697206344910536383098527517524448535654635650019072655451519342826318494887168303127204724370359582885189115654388726470295045963664141305055333064123787196559875991294589857178663363851301935427527103228365596332632647985565273119577503116661039903632698463788395497024210327993390510305298056860426361851
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 2,096-digit prime (140 intermediate primes).

Certified number2,096-digit prime
Certificatedownload
Certificate chainshow step 100 of 140

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678590455 --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":1100000008678590455},"decimal":true,"detail":2}}'