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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 #1100000004862381280 2,169 digits created 2023-10-24

Value

261345430155198599821621877130868596721115840349298095970176988693983672225270087252937403817836076999612219923715721235551641197956276881487064404911656737374464465912982179278539857543629034230145558174393954659832603868591911497351691247969079252291021957662808452758292179088958929346182897973206253440925559105562005672079716904570907468033540705805971323186798897457494923676392853171963311448206464280125365318776487029901502668918661289353210830213730969090663530297384861597437059936905080208897419941543614190762828676316867156247459019671040912623228317024918074113653919270313361870258462704460810521854583297853950605094988375335086562105523437304898530629058723131636173944331494785432817660559070686808316110207612168373486822494423301059491412239496653361896423499016184499280293160184772494822550227566881337832104741890339144428996116677153584999898838222167236932523799373840384399039199766890482537545048107383480825312164489032001446347085131445482239167762010789656351375388270291250693615063843657521217634378321605317263838147767564941265555064119532076388406075543980190398513945148938380839050189701108896152180315718191283358057319785308424688542423378147642666415513921966209800694324529938010972563126696157439679445309274368127255182393296770873620192403944228646259752315616692848476416005791903739070387140637149725876270237693266419498508390993279446914120465901349437478739759121924450363296967206636495736031685371415681693409177582527446377247274892445603762521750258628786505509313890962339209167543487758900538389194281209648404680422955651889811353057357185181964797571776696832057129858878514111561845391923767089507332479168376747246269627621627397088774930996068193049578579687644202251869490208833594793573496579336431868241907608745597940323934631966959423651600568533193846665544385046198234941022941504886930430379155767102201598309768577392629159951670566437687433967155900791958220411338477700895318897387442218390127991132883851125808652442638233907515054630971428010936388064756089316509996289042699193345962763457897661901402640286269424291620776880646283642585230377704280976388613186641611181699129769029540849230029
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 2,885-digit prime (384 intermediate primes).

Certified number2,885-digit prime
Certificatedownload
Certificate chainshow step 79 of 384

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004862381280 --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":1100000004862381280},"decimal":true,"detail":2}}'