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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 #1100000004895233676 1,971 digits created 2023-10-25

Value

245402972880153570542026542089864002661810924740140599005337229283929199301057338856994329134741074954308350323699586013292777283724239145122789397724322488284912141196433101042293229550732219790416000717636038890012268215714372366193464229169053071554106036359876345687939763215563423730017536496815805910124403267835941743822371041307931297507569992138219520713442497124419244345120384163821602657023998487164082771407019439029938249660257878904133519437299334089616288932847142971594466501529365226846668794959994070055534239293375649949949359142431501893839078920444086005769666416200575394154903949133756923891165414437402059455443066478488865344869504283334106494923216156291391205111811648840975237608555330579221919775498629053733351400853401221497744675911242031462943340745337638996487101998303415528149106363004024553918730618036232120659060855411775679089493120670850679055414668651617895125379833583441908471262818521633275629036508812420489183817631580581668427231587873771627562765170322386307250678234768996940282715857591335912756677460530115017923355603381432694761931500361813746545179123450121880796138434129371772735757969167634565666838139700080778789476613942846533060822530303012764890586358220828734593308149304337983080348066757049541433199012432598640959868523132298574649402069047059280943740412016749804391475621310652885182446910621279035019933867105266146457457065781982106552330390764974042228480933089170881056425540343795833037856729637076374170017408024545450345582800437793003675569267158257069048175189187060674215792608583579705204164048259795895708193026940283387840479735755153528000367678622516498591118593564675710373210397534639596863301794350666924193797410157734384179583293010979107829917822591662815145383726190274434517642669255049772094316952504376023841172540032658950112636015770185348548671360714147439687729580793427323518732798844105645781506009699073894121099026750243116134968453206554279004143857080066169464111627
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 2,155-digit prime (238 intermediate primes).

Certified number2,155-digit prime
Certificatedownload
Certificate chainshow step 22 of 238

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004895233676 --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":1100000004895233676},"decimal":true,"detail":2}}'