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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 #1100000009047525655 1,152 digits created 2026-08-05

Value

155945054995682286424092859372291082425501868037793584287883473680969318749304824489150422707220718943297967026724997878120914004932741064876982494495637636014796410262929591848429082711293277167868854481195153738310050129518666177843840089276338274334984466789224128792591810551863623194221562173376118032838352645549857825648496604898500620516454523714430842232059762730836396158345501525208968086218667495667067906717799193052509652806611491600532099604028435766887130749440325841482957582357214812043219013162613080263256869510004021656831909163341147594336525056888371756559176106546583848889917750250378702359712529653099488820811921141376225060981646031126583593885787061946491858736387241622262530941977083901256192967639567599434031240550463869756635681579472573393003442377059877250291710301945259297810706057170306789246690556101004257901191409423059157307203775789095672058186960722111918310745989231751017801289527549269039345491788464117437957139947563329504835104868526630077470939343070851844915315389896189672180706367985148833066179061046605572046621356242416956272768593270876177053609705321896473674068047199649161582651201367441677
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,460-digit prime (116 intermediate primes).

Certified number1,460-digit prime
Certificatedownload
Certificate chainshow step 26 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047525655 --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":1100000009047525655},"decimal":true,"detail":2}}'