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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 #1100000004861551938 2,168 digits created 2023-10-24

Value

85829248108697360873743053681767615050703958671066581311302167941393328215506000960695401144386244075066917064779137754305906587426840584987864538967908447569762145527262137314297788530357490261426917384998458241272356712783151290376440363724836091009000377550889484069298287906578387352693068835496402425076839810113933369949756657629852923485599453655267486262081817132120193375486132817888332444947060712365773316916246061297303292896465565153754441259811272951505825493069248795739361621787162758086570293957283987949102148491057607313958673961445525757412043123224273994296734192203057538391100423426472031948963713431055864134717740990737299402849663165856176406176464022413345722712197609438332795661229349783768655075763688346453789459105515924771357691868523111093120110006865838788623624271477626764169280544101588294645669146806010360701074523317766091051288297275979212520245208218910948610760154300965819344450274618940845918368646635437895003761490684614759595985253005838018293855303784063663223286011411130663396302152437803848899401376249498242722883206112715368903937598152742852793324633258395167958249494969614195014521637182485365739783546726574444721283867746559188417372365444486781301694180322221705650066222513640402551250371323918118530401926812965904860207028731647082294848041431773541526920204327947861829279034857009361843609110569653737554273262563968692828655373372007203281312831170082174445383812139731187098544649077415434231499657359077493780864367623219479381085899562652170495133599850836226590891785731994457377748437666965679412912453441119717356596269443016265780683700740537310623386305723749738929787020732951532690793829665656849362504270646727059143591580062438202709884710226740880200430653571448696792164127971101457686773625046105778082357596004361600504605523037958087530524967570551692380139048208148262956739669261087891934465931128026036251259939863753163237562566085604985812427866913970971788614404955495397865519197614086371949096234598196970519699558820845099867297181610861477682720899244455926715900706265681841195518836168707498256529029499300433805237098865336432771015325341111738209781685739293799662290831
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 2,911-digit prime (316 intermediate primes).

Certified number2,911-digit prime
Certificatedownload
Certificate chainshow step 78 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004861551938 --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":1100000004861551938},"decimal":true,"detail":2}}'