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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 #1100000009112552938 1,715 digits created 2026-08-27

Value

20460421638113938732715012122890227098040521758319713851701577798306855692868283769575893626491016093084094076671524684765034660915612291291845239091187598428125187797179464765556510790847255295194139581520471292618216216689404114414189585821951447497209066863190609222063302397162764397392947374918698385363091146791306496851960726660728100999746579501834740581645258092237859643570603057094669490628294760252891633332970695505881521640948814831478784759289583215522335479002477416692230006552847552595822288612906902420655089597297554195894017962487007710710680342196344897019021499419501370658154484033661591537232155470868012905675356069415919463085497945967415961644112724431410175269607035292150347741453416893910168787682489903104880620964202099761673677070270671386652038408131172938841689137937455268544840057276841714881992276796851372870617605647535124207506213006944869998210291327007230141029806973550925086419237557909641435678616103120334069682445630754847922980097955232110562962003138328757600131837481220302455608114895153089929281448990873868297241937992293583382115663068539624683117958630232325819670949328573604316308676564199244304732498067122973361598837398294589975990667835233032849678142431600166980392337764759621008525618933819592144619472443551132014889811816795364716148975659822371071900221420857410799733728406104081124220540275656625463142858964658130490552913733218904915628617236405204302858476604727692245801984280671097201207567363062639229268491543802000251499010807784421846571271067882618163021644870411754373510438865202769232488811902221855385983994473464672519671579574964232491467351322695347886747606589735137282046830585747146701634489554212295234035071774145595045121
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 3,007-digit prime (215 intermediate primes).

Certified number3,007-digit prime
Certificatedownload
Certificate chainshow step 92 of 215

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112552938 --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":1100000009112552938},"decimal":true,"detail":2}}'