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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 #1100000004840065278 2,072 digits created 2023-10-24

Value

19430281315299196722813938499400342932431312527474784845007952479092202675499317528061734026536442946566826744382630302746562125026570343180084181372271718466678814568908567937518015485079405942799807582808217676247972674449789343921733424482850479547158341486595672057536371034139843265966343999857191299830763266899661818372120772918753675413132666239520651844217528289871127443282615570258698164744710301306060708580054275607282417335776651135537375550666956155345390013297842644794552019985004560997969355832406165406375949741474043349357908149377024748348167258458232130706572241624640755395583106825663819266480748879336156589423337016122743849837287135964463706985730964764026341332341408387872172329186312092586673030367135629636424231174660626113119679218302426064825156116234037662779753287309383977145666233005851834822950860618987034373585837800182490128206450982259496008589833753217283577007495857710906996255827220614881828289400658404616195041327135072037469121967607668450246196387853409174134235332180316170689110367761553872138862724443415738370692243303542482925984781605378207997752576927176886893189205765384293835680470236150048072082395248803630587517872554143594432936906460709672276127097883907149952555271366799674879164874231899989630558157186472845383385236345526453804633546510674903370353368579887598506079436294651113930031996361787661032044149515122722086293397397534072837557885472052376443726978320642141146805552570733815694389580754746461718134692776023098014282528159677726667289079878651395834498408907908337265066064414179889083812644077343810772666913946477936936750099969388110904259964254138548179663306881970682751324247211820739375001242211790436485779081345063272548152075666733285237004126361819614095636700548106627831855018755345634736497867987582842180651789791328590470452142861811852032760918018167030822277539748107471845259365767103264000427358300055476718632027584483529617918712089542786400060233358512071449505335183189821973371631570321546379946103361818921367472073417629607826377842642439301915718872995622144217
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 147 of the certificate chain of a 3,495-digit prime (378 intermediate primes).

Certified number3,495-digit prime
Certificatedownload
Certificate chainshow step 147 of 378

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004840065278 --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":1100000004840065278},"decimal":true,"detail":2}}'