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 #1100000009074405080 707 digits created 2026-08-11

Value

16406951972316831298812334617017883125619940527857977178199661866457096826275288891653088675454193143956769436663493117555175017322765241132208791418320422384732003598490414417558039830752841640806338031591476662055995203202666464569966034750209486772731714122721249226902069658495660025132128704400795418091448487567640708267657256812262945094833580827025992044340231296386480663569958452695542624025995118742313166490369014570234714497733435479881412436670001600683667322254131526042158036213677249083956426472304125518688159636917444653626810733710295094133534002537070435764097309180991003947727220773734632631110402749042190405459111991403886488157088787841214985199622462745597398017086808170415302807
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 108 of the certificate chain of a 2,125-digit prime (156 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 108 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074405080 --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":1100000009074405080},"decimal":true,"detail":2}}'