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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 #1100000004897061516 1,939 digits created 2023-10-25

Value

2825130042187282629062300316357983090416567110544360952172884831253189965223689254943602440424637712438303289513108602426533750145554833184049718155715142016879244022367667476629663791095804255022842828618611006764535286007707136277867482399716518339448117146346348933915831006154601086728182040281694895388820483896494706570284895869108963505800603661981042573672702351477441205289480803696785801000111465287792483566178988795850682124458280442214947839373509455948914140588881890366621997273543226823011933651552983361059838915813338677227929093553277671865300916784710705602083506120911367164877569231096861027406275135578198429417796738237464784084771306436200209386311142267795586216810260401982594515243716296149969720775379624832457800205685165586878969728139468976152648462376462850184987266378335552123448651852145544465281840738478352936624938189099320375404995917001159571510337559181946899980180949924636742206271178430564377217450530350975384802650297392523686422958215789654512171988080852621801630587293093884123009276979215326610731046934417246816788005548499524390285155714387015816916997376895990331649006867781959210405789681495732550147688218640620564098432358251476781944177538104711270396781797246488529566239281008511658801075932430730894171728344964530760521430482661303983052778900356204805350053577238617484289815886991757775348038385472770648880581155573205261720371803755519812916314261532472843621528634447441510272013571374347137390279355002195775637998264893225811465938492679791576099913235859651017634807310997696044071553345023485671643838281306352559893340724214010070416884594519613067386004101843648732245002007939559747612933920033487638830073471260894150363620187946393305507548947643976832408545370084771245309966671925636217703061677506566824490314144823571380471051240631663223939504814351938282574544773313880286460174255642066724611857913705905055072497089934941473950858466195003898954871983507
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,125-digit prime (234 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 20 of 234

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004897061516 --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":1100000004897061516},"decimal":true,"detail":2}}'