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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 #1100000004899389255 2,041 digits created 2023-10-25

Value

4239700924086180327974556141830152332523107757107529226289689919228344416347927396336867280949146802059703628536770123708357047364521486958498213725471595201839340963777904212722512320021472276074651741009415316963230246563590446127087472958318822506293153879696354057546935225412043097640907243245466476871294614477558316953798029565914455132491753159401968521816696829193796812900903193258889568431406834095274453625002758989445455564785961717697876788288283680812147063325719813012240437006068166054956924701957430633789727051769981396361394436439861604123171079428300028558566353407263104942222821566626579400015939123107601800594552745770678223600622879554704759133757894442921766984077045428451393946444117243058116705519205258790308955311414605762768667713645016898521617952987343995966022159756079311804613758439601863066594265657950216623653162868882613281323235404899604109266744144928850622626333397320030423709542262753550479327748515524430454565070533327202736993793619294317671925464952464158384670862176964442846560548875787678034917874524744725749044401063109261682184646048357346154491870227049109904959958746204227154408403922562785264179045164225099105194294048266418642423463345628638454302769288153472873759744042094360037385381245506536983457972813615430127828250772306607510626991046567915244832929575699422875431140727447028222852519174457716828290391378570815234273932886974419237197938518951507685389731367965689889732428868651556553800212528124005611099859450004792995110598952346673336939965516319618374576956977432261822528418623883821639209047138319588403301872631797675988680439963984832253755779845588032189159333332690154985384420844658131162835821150715980450461053155499999653829967116538006560599078614599126474869051215640376046972174648916741510044460326218872144577249992677322613099480281426114299897699472887974898458269074693225825028322661706402044958152404737854823557641788295141487922351452414144080023901389231055212509495377693080000980051284680710355050349940682385631331497216247892668470589
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 2,077-digit prime (298 intermediate primes).

Certified number2,077-digit prime
Certificatedownload
Certificate chainshow step 5 of 298

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004899389255 --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":1100000004899389255},"decimal":true,"detail":2}}'