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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 #1100000004881010720 2,005 digits created 2023-10-25

Value

3278946995046713969497867271081335944282499124569408297174332734306734010385153565179950722401061764731037563973198765374322367992840978021490055066575863483090004696158321386946229589622234477538646341077818729431765779077924924746542326980118639294639824056118430878248414579119486502505599545827464849228177027554120804402546119087324572849911043203955915560116825098700114921202756680072876791279623392953693027714944555593213603804212283507946109664581487530267637027323375497892632228033332228105119204086019557603588887822891660497373683947549427406574620181629882845302736618353179438995073538817894637266040452738003309849007290595899850019376858617512733912745480888609130516999832773013814669634851197167398491271209814619510786045327620634935958524684729849241031828230640767959636212680827111863105418737571478114878565562825416746029965396826198530504428609296695522658864465137309686983964430677453541487060623210244720667793290314560564015336205236022054382320285229263057304020058426430280965420329321709731964854078185079361331162776949977474213467315474539358048718411957768904296110668672353900234793254969668442751323659135655900760718704762316440427207409049439055256192741368470794454725050295401476493432155523546290053703324991159015117553829558140649334998291184012450181245727341629046843445361250123946322064480331025111080741630534841868217873727862224131554336144199200898330437021298852522448768715161053304768231711434250712085848148708503863344220697802047447802478281618120807307756918799636780035474969891761177185758356346255332595352730950868175848886893838843736420151967409234710733463544727474039694032358847955824659776981312697847751202602527159732942567457439558615383112797465025063798519879365267754572330089563381291601941994914190026815574869469444939605480186770511695790350736365834103859204599352637694550965360096982823571513390983952964861387589845215534449708647555946351382951768506753999589570763617780282476993114623617346586528547552720108108175947
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 2,375-digit prime (270 intermediate primes).

Certified number2,375-digit prime
Certificatedownload
Certificate chainshow step 40 of 270

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881010720 --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":1100000004881010720},"decimal":true,"detail":2}}'