factordbrpc · fdb
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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 #1100000000002756412 1,679 digits created before Nov 2018

Value

21420450719593108029818982925717538873638038819636377276057241368424101651789213014990683790897383526660990795075505102067194758485630473316049030679995554096871974782717542135358414143716913555696346346892245882335800966088238781664593952053745950701546907155558180119614926390293907263298661935632218615275121639765413309761618299918555965881182532544108157197351122545571856145675563030903534930280461066303081571415365943554775520918594402505506831241526167711321798486031417188392586645387111353688460386576325042945354042614199517172055177130172789751367962322081401255024673145371341195125671856486660109426665770474473219984469117958782256772419640488206720490895843997370818409571143904633639654967012097932890819484847370991343763919617620647193648009027345163190610711992527404032290586730152812740574623197014207415074364479915295043352211734336004093916543793222511390522817430325340047132708800071192837861123755740389638405161848828931413837372256542592588143169569391830744355781544468984761796602395816160148371027716326685519732794120417586937735331832293825209761588591395001871539036487837532968228784317738893534043657449643712294853258597763374139998755978676983258850090513905229310735463430960047009698300857690325282236007591128418735328337555135068680875895748700258897741003953209950542984496912775072571962925632399488534484878954876498486883280301510860019826393236828469759216226115152321813581815914894803592975262475997585355833046747259905180091477057314585782428601153684464667705811412143923583406304992924809230082283082159382546118543106778064519296025570902451728032878238078794777742533120115722749322519514436043078092890714455301592490913
term (17^1366+1)/290
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,679 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byEdwin Hall

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000000002756412 --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":1100000000002756412},"decimal":true,"detail":2}}'