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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 #1100000004873011716 1,955 digits created 2023-10-25

Value

55125507098528250148940582941373913130757943622643277435122718313803772433691309976850557588090505627465299253783731234105094777140813613424302834427940977281452008739475185755871098718759524496370769409878080969148789096488101506874522857898001058688776264305342028481390320666393412447554789162931355492090994153861292793021259389489230442536001477057552481024157423220225345184913116652081754938436850721524624818176430652147345024867580989468266737840063927444747043884357373356686085937894802195556119988348587840402434793577565953435594391662501538469637639790820509734334821256734133961754451706081133389326081589888635888940363278691280210323297880044183955821190324073027427785277327825230870816101970999824319155462806877599384197290146544322994695130287749399770718807627057840595278821384163421490469595028066950607136241095746392352091337431174085890184459643980025467357432152006912002899030515419214385705329517051380397676490512815101984458434511478431084569602730351723733177275218509653736408290987916795922432059844810598334708536495342931738077397890764469213190428608441908026102555688807503075492306866189775361071297960587372041765183342506237792876297422368578123025143170746859208716854270127314086086689575827317917061829600132702536011057989013263310180604580771171127139625890447583716727003132107899781936536467404139406405291506774718551084308086134450554967879576403957915835164688289909138207964066639571209756884818297526225344424570378031958510933316888347859825815653219777874875267864969906190992280032577287326034623037571183312081692147539625424684321804165434087017120322508409205039732728812155527591395867148702582722789321707109395578862452642739541245619664000031572286099018499920040371146654058184517435853407160859332514160849257902566936411170636680015542166145459131929589894046057277834765826086996946068419126343783065944596573624562584740996626690677908160686379210936505127124958215863946816662172302757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 2,556-digit prime (357 intermediate primes).

Certified number2,556-digit prime
Certificatedownload
Certificate chainshow step 79 of 357

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004873011716 --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":1100000004873011716},"decimal":true,"detail":2}}'