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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 #1100000004920981720 1,023 digits created 2023-10-25

Value

200588125393641137847831717535901202477628337982077731463715248652799360826252910696483312931176263412966565955617363532229802202784765823920453053548416811186643539553130991976185916001252811376343758751280747487630731203639587467155693407285281973709432425021642221530176920990298044888070291843650392841955987090256963565000673581975240356577488827738952560907231470188247932252402545385503061982241682665191236396209536919666298866407800682547366589873859519276156705244188170336011227201528006544018873880950197342804873180011143158496575055526021968848233783088583794171935637063719764402876182286816266778717423883805651301375076885803545439059377521024361192707056725568725844565546068272170040268664738158439903785986221782679043013887624417448904044408364818345744591890964915212088881053634213795532802437462178753923530540037372498289289723333705995633063120541615132098477141252064380578038765268672861929786031971567436857524038511287758205783896997649204818493726833295344921667471615833252666991629345597491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 110 of the certificate chain of a 1,938-digit prime (251 intermediate primes).

Certified number1,938-digit prime
Certificatedownload
Certificate chainshow step 110 of 251

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004920981720 --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":1100000004920981720},"decimal":true,"detail":2}}'