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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 #1100000009112552499 2,571 digits created 2026-08-27

Value

859723294489423043396509210133342822595151924277090060327035864018380119774182328092724453903959882494528787098350625973167796275663407242862113659347620074467007516739418059392646405262200891764408419986481755133214406164879687533029872880441357833607169655959630905529686747772715741704444152032521895234586581562119252194411872671322370427669976342880650848521481226694754212211495558579748575165526025856759469395355398389862281883742179689289963653456241080419588520284986864916437963282152165007786343467580777748165108458103177643025817765149370345555846955303320232523388005287971923293252118821863125079539461113984817740578803063902037856839565939744118029785666988649213692210821206392656949721125011208920001683580778220793559435487626864552008769975155148283562626962725258286505390220535672588390589588448260100248129835515119003653671925059524884717048488228363273848735672254063766542835845396717828652545015237453244182741655514348040860553423140833548947985782711182842157853904348586559770835612216790365070193854028351637051206298362240972210058011599223385814810882480958266516133915156158618052897938848357155174124510821362667523218413675043462909178184615198046266479581678065798317061070683074773236357731345557133443771950464233803809665455047749170988142145787870184846788753067945559577294401123378684783837788701897220264581571715439074872342839496335806843960722826749304753356216508064987283445434114850485572989899256699388649456699682350854742633490103964509101231011649285308378648455686369155706555924062200306272593334543680888955616588999602434001179649384676140107958669661022793834522276400143083438750220312212365961078883382601759966946037086653199518224732849944295857095205391203350467708282318417785114446045837598678735425062989627792895129628735202178319032042047941705431318112228075440866678341316784869253200156938069439795869719108225735071623454973534111708970388540101586985983892586356558884337665003667578082185287625966405108088898243373886031515287844271745092288059064811660183327309936078870022946408270452764159597772031868628976638156801703565561966519098260281662454923337633884687926003458517981021507714520737478424497631041365588432709098003227135690752012080607050708718642903429690309389724333373136393635933709221682149237856589396845813846267828261406835189908521276449586024699276798533754365303872430777635736994098422949447851893490602254082789380977032367826502760909154707836989685790890769338769019116199441568058422455746698016860271416809343455784482897318400338931618222266103423326317876947101
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 3,007-digit prime (215 intermediate primes).

Certified number3,007-digit prime
Certificatedownload
Certificate chainshow step 32 of 215

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112552499 --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":1100000009112552499},"decimal":true,"detail":2}}'