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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 #1100000009015013293 1,804 digits created 2026-07-29

Value

6250572839576057117151309520771439062541456838763598979260668303167081841175635649136171229701440655477223224117603573097131292138154029577225906870716183775490225309483906320254047057333871287726938713930412897821767422197332481837939426077159149452524995843836106822921797930132614238837096660154682252105392118715057018972290345772290316484825015389974251919674266996432766809738771138532982367153998656805755205892415757293612692465234221022384442751179665989358375374720373033394664000451168359095536427457973632801976783476752320992224226410020160953175632742043223561310939399791991385160344393949032553321087880315236772220818602034728944525780945550686211792865708751116771127040484879336792421369222472108024227207156407031055115967087502846006112729945640264525770244098144132989927112449774576011726017323939310579757193841467037146996372689971828282879786936840007383718233231892388642265611388306353178611648457733753751570724646297552338921459368648627237076963415088330565830407986895374051617481382409759629480000094291531362766126460063068166625948906082350750310051963349817763355160209372494333955351695671888111417340766598364251488691043030320567150136727640633045209968974870828440574195652310996329223306995603120526888124979278492532563267172099151863868773363530446065871007992347604547247519246954156687968654200935303265076365558417798152794680082092838865471531938422252601320877946857042616020135561216216240776601449505095922369389692038321028394725408106379465337992716566681305306576776094994376622083974853520356529495691189884489513657536136880749659119162804787889545246584258173205539403778924860157123360233904697876819975983184429054855885258881236270018134639489974578638296366828557338554953851197088953745414770625484984178896924485812112684288752053899899789539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,702-digit prime (196 intermediate primes).

Certified number2,702-digit prime
Certificatedownload
Certificate chainshow step 65 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009015013293 --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":1100000009015013293},"decimal":true,"detail":2}}'