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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 #1100000009131611957 2,465 digits created 2026-09-03

Value

29625868100329682070844480094597113794559314719999458431148265477321060926887265835316145510256621261531306839617311270634687937096482719549212556349058830339129937028679746041390858498390609316669947598179422617762762691988047201900571543835110976388774789770156565083151003022502677566594940959628462577266660519539340583454448529991219345396829943655152999041554345708288662025563563705077726662435153550504706567415943553917311526891939794232774877407530746641752902226045166345807428508118644965996217343607102311427496021519588140633554263995516182138143437295840014039830271589733303358859554985011967719449380687716117584214345303990634390295824319707395840504653720648266413105344670568393594778961392849271515058835748741336698721333970965115290214852386744643651721951919445698787822328130072647194205059075524888662280057786178643504097971135054503192474029260480612425890826814109059382179933017052374198762619496508206848265070707116325986060168781670141515655669013706270946301988460696562259413789745362345478218851481574629523352710366006996497777021416726261931287339224716703345596278001347959017180001292715344420871379963339153673018941075968829636851526453001711952573867151737802193703245094526410894516126756912417595708849499293049137821288113394870485914804496884334268204204261871765688630248665023505617589416579485474986043432912022205206043602037731773484163151399762619259254535536665259557687308427169087967177667979351473024765508028433740059769321040009855202177673308384913348187248651324348143824752837995278265094141750862260812438324063379690299587634427282065419103296027661477624915402690073399406714043072851865197056864472252382758551188941439908874055209897256491493221060601840907225325571602822234638002529916180062914205143584300793840011394140855073993327697798530444359331796479392405632993024296143974837666465706127811059948816562945267149849068834618765956138710164382635205507778233576727485243366432045430809471170580466489393571845785441817385434280673547716429292939645540278665610730572642179882606361639478108487730149340945025498779046448549887763182285782092923214219469114064867481360600072751184028480412390639954456940530024090970996853482014638077038782736824967753772201983779982568702667166805304918105913162290577200151076637001644726596815121743460579295947223383323166981221871027569889396351805887576798448206380298297180419932640005614298939197610946419535453631290805437597331205994892069738087
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 3,162-digit prime (313 intermediate primes).

Certified number3,162-digit prime
Certificatedownload
Certificate chainshow step 67 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009131611957 --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":1100000009131611957},"decimal":true,"detail":2}}'