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 #1100000008766977899 880 digits created 2026-04-21

Value

1294910118560155740598937834474939822163080226191533173093543643934510178525471336370183614393171628221371341893694184331798887482362668651696952316184836727434023407625593568655579088127633476488600429697973100092503989734143136313892876326174854464945707972323733836607026461137953211086543084376680254146022824733519245600068556044905634246932890555969712290597502754656428484911684307057189895824025278697049563885336796712424945074291339363643859142433500635788289227462588310226602516412854049810809589477510267677479660364793170447303664139781607508064037290907873134771056007719444427791523644523564760796730307166145401545275886370504775458422538503207879491438483456142043654471591373657219366023799965328360045747820146723766480589279688100961828910678199499900497855439061443007635027065088007428087116403274247670876297792805562498867432530470540845441848193140380739
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 148 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 148 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766977899 --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":1100000008766977899},"decimal":true,"detail":2}}'