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 #1100000008675821328 511 digits created 2026-03-09

Value

1308526554301848059555313200412683419551006185842214108530004441311236516559850668422156958232789781057051500765540172429884380287584604459617352248935406809874724966319998167391870693663352930239042106023366051632397573940400237862103155697373803066205843558945155752675738120511102748320889502921269318436769887002466921445224276870701077720804405298969595762074049889914205788641020456962909706829151343487618981356730553912775243471743701640878764113969546233808069689334354457982140673900096073241789451131
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,099-digit prime (122 intermediate primes).

Certified number1,099-digit prime
Certificatedownload
Certificate chainshow step 64 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675821328 --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":1100000008675821328},"decimal":true,"detail":2}}'