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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 #1100000009047545603 1,334 digits created 2026-08-05

Value

51460725242189035309100044129371978371924516880724430785513273059808361216551479292302121928417523416388464680877977258299921118503145877474373451835969259900442958981240254972098955147884592487524651855216785128712753656911925705130334089376729934086740604454349609847156478498920663559212598918300522898948716200847674265790692087303504015520976150240027551645652327286858890951515213751109383396864029827619278832722142500017966656359373271431385254967571007631124019122594479369785831799120927419859170426560868948382461189590978694795380908815297516779314729488790506045452199948328299395043811357866575933212573091578091576326231600339205297406413332069754028045535264611947596475918703987522392957948744532020827894557447253605723742142709896469470660773426255050516811402106634258397733064310024678358861447402873092009069315234342656801788293860104012357981176087165340741386145677739631844804826203445508787322270843141410456266876728443616729624921846799475218278740265327849031255938012856677678007440592548264832284722141600370381395412837777826114337659809707850481512731670120039050431799263348151500234669913693711809715594191202733331046919155700426879926031052774906268873883802582515223722030089262113782071118048441490953809330159167513819084102861662465922617724368498698466192098780931942333963600040413686996401
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,461-digit prime (122 intermediate primes).

Certified number1,461-digit prime
Certificatedownload
Certificate chainshow step 13 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047545603 --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":1100000009047545603},"decimal":true,"detail":2}}'