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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 #1100000004871697328 2,126 digits created 2023-10-25

Value

61218958818392255787852171563870780256635246417492091183593536563808622587408926622476766523751381656532903317238787344138648065011210002983817622649985715751628299975876707960424122486255653016555250388562900212280761981024326314543517443635695549583905726683659240336690958803983440837943501096406099303115499510192493196357634723240025244447781990914566683986932730801145609143556060395696616754393128093332381822954304262092190317907026107746142844686569866468867618551747366561272275415389362365729276719954743455178739481662426868431116976523281683217954994430213263677657777414366410631562341986503905609262575261140814632442273308505287280039216867784616054210250755290909469136667823346800099000259568136957737064693394726855704374817993471474685507727553026424957624951220994860192186668253310523765828367606698315866895369632121105568837568017608915235499442932286827617611076278674852843589815515409024145603598408410143438471589791786775054391611796812635760689574242706380483868771598986917552950306804132587133804898262850073341434383816080776395747924174586806645836916469010748726146310214674377375193955960244922443509961742056178131523399025260743052510284513608605466542628648339573182233548624884012959397619178544892575759187585843018211562647501827718318322818917698962380494681923244112509880409559479187903181227189070269924983664690761946978641491583557145369434256576360139199837341782223880539918231358279488134795719941782737251484921517339515013428072566289245739196756343795368577339709059352147973121710217524651905784329778300876382836446137635184911387023597895633932227638750830979016168076021339131696884923102679864646751409575316314764253317298670129146148076304944361242463006916270542728302568818308610369127963632995426729975109621190160711969503691420725920411517478318330136570243645889584754056986445721538772329680114149098425114283309327621290229132321095137254260322163543371460384656468852187097659022069833304186222491918690789849048192037142197670394463251687152761051689871004616728686924956329655774757147177699904867218341560086151893949735666033678559481270098911843692281
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 2,598-digit prime (299 intermediate primes).

Certified number2,598-digit prime
Certificatedownload
Certificate chainshow step 52 of 299

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004871697328 --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":1100000004871697328},"decimal":true,"detail":2}}'