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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 #1100000004952025678 1,247 digits created 2023-10-26

Value

25417628961989067193890376943604193526777219537489548139297729538053056166053582021546683251291909713684589508618579979187588291023362688637653504431575819521584143244234075994796826124929437000144508278405225180413270073162086871348478081107671794428739645558022130968884307980223284613565213372309283012269718963347523269378516271002172699469225016182961508440847209076862085943530660324039783697335228560205583059983539347600333383356620083649038767350102128052950062584490877307611085700138485834293272886830889209790709940301312585856894834705396767202469750996353123655648065855219857096972868048278456210632909997667204325649500112714264740773096420295959145081092101271393435730729980328244527545959344566674344072552467054249218432416715891978106524272890273918339279347402187227452615460262468150887287682103950224924275583774348608425229858023665390297974869690157110605618919979256178564781949280512682153990769907799021390544320039601429911957076847365300204311439769566556021730376784535515329132971641351225858000707461583703792124992221538360137640428747821420894650124326803510081506472937999715892158307048172105379765799166169844106690860844563664386805652510313334124156569894562573148936025826057355796266790564413414072813677
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,488-digit prime (230 intermediate primes).

Certified number1,488-digit prime
Certificatedownload
Certificate chainshow step 35 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004952025678 --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":1100000004952025678},"decimal":true,"detail":2}}'