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 #1100000004923738205 730 digits created 2023-10-25

Value

1551258018896404311848454925547545811429643362249693648328057342032607685802632741021010906044713765541936366390843386807011190626299104857255184449045252400806316300002853220263363651343790947187456503525887491266938248867866611613607649411463443849326517428714908698529885163180203845015557134910679139585250447615193211382987976256731758164226269805383042932897359446585124766445008257097061994482841790214326025959105569985990659550662085506224641521475280382253002152687681912645169839020507124790953309147682891036224753217342189122370550380267021881683392221592809592944692618660971065180894006116872840869599929025184866316196348596271630342086113504544660022384713545207327210529457760962703748585494989521946434141720139
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 128 of the certificate chain of a 1,909-digit prime (210 intermediate primes).

Certified number1,909-digit prime
Certificatedownload
Certificate chainshow step 128 of 210

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004923738205 --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":1100000004923738205},"decimal":true,"detail":2}}'