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 #1100000009078199964 984 digits created 2026-08-12

Value

128487327664866794515501568520060435476863389883606770480892111809096760757847850416616511008047185628195478065280522697135147543549072523647626526900198040490048130414253266634725330674360967385574274351413461380016126792949218971404732382606396611007417000617083857083076936672113550416208949663725667248520762434103537286414910570808126143152217958847589769942806835694972188826586647854158320713113945709224182868448633014968892492949027294180308474080318893316344409973062905336634481712719538255013268834516867668131623914027505350105008697776130054092751445843850824744601873959384885564549992257849008509196265716137937434432955985765171923532720698385321229051503004701998519906161841968910191091475108162517481399470725741603716033893131606939853549962253325456683971650775220610980993230175412425987067367442511721081410703598377279558732142306199957718486032698132837914529222699452722416892009897101169675512031009444889023601822894435770519405092655627187039670559265467
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 2,146-digit prime (165 intermediate primes).

Certified number2,146-digit prime
Certificatedownload
Certificate chainshow step 93 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078199964 --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":1100000009078199964},"decimal":true,"detail":2}}'