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 #1100000004890470020 1,672 digits created 2023-10-25

Value

8120021159153181163894368460759239938269320321947123862271113502963033875455595714419087278330121950310066592079059096117226056114620509812144927961744069429316031996040130686948707758500639681472744030333911167301803328445121020502667430141438047046221968919925501790841561154145323518186058664104106823324834728658554239849294872056885339633409066038361047604252874181513275939099692680528079297483684052505617835535930465738213475663312445587226956646201000321208753799440251541626349475323884193520429635357693144166845102963495995102223487544009484865453073062944861286665282083049863514805700808477728377661775220049781053600195166966890763799681061460004929020291306129411429194194266741828359559595753447663410163447749238691727783777524233035914113118885514837602668184191141257248583114775665603918745769007909439164198945742174645145188139813765644956047083350766492016054206621235724341470829583497661750277115141895186822994677543984194345660213989030871636931518745983906469394147675975677062667430350607155699659617163477897741622375134286260995663533177443435109198198175325841374020526748474970026892896636879575580849727351042224384306502765640324549858504515823640788193381927561159303011006948390310964029746346278409411405476172667738398640748298754527906621223827628384608183803527718476570749903457315030031935799456742149198319398912440412693016806308800787828301886172755017277680678136707131013013122744674924426535371211090948906447029615820215578088953896820049557588615962962571088635362955486412064958561717726943268506883479704144685925467887399456092581788342134633651913158146312005422513974357415294249359925720851909236846909758614054313
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,240-digit prime (259 intermediate primes).

Certified number2,240-digit prime
Certificatedownload
Certificate chainshow step 65 of 259

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004890470020 --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":1100000004890470020},"decimal":true,"detail":2}}'