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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 #1100000009044564075 1,077 digits created 2026-08-04

Value

155550379397317246169700019546806126246148945228240536978171883500229348035172375836937947915479594962316919997768943057822541766772408226249482294251195709374124778317135744493195025875296410386450347640883181624642316900267073081686269930784520910811506035519146190489360542974415752731582528290938298818824695988830254187806991481613580910480691790986108219047055366044520744791329676098929258561244022484729227285950588411575301018679037308062513201973339133237483432470510579839895078904997453478589694905416928026630147496094558191604402241883517117417179465456219681318204613580637006107144498802005006863167553793450015855247795881971890709500549959480998368095306530767869711306290304221193907547161855665262932081965050380278378121716877524784971717302408861525477715763488477717540860268234232918393056437707638471654797711230984296485007021105488991819261494371702710827943780012948161904485393701869635814987424501970566427835333648225121555301806023926083732602566886149383311307681260917930742709596545896050024630960620452623449696975547282432963224741242670483
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 28 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044564075 --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":1100000009044564075},"decimal":true,"detail":2}}'