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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 #1100000004927207421 1,679 digits created 2023-10-25

Value

49609986404937454834282167431753218333646900115546661387266355060190482104627780442097454344672226115057132069111079671377022209520526333969476453324685332271798495077429387084985036362236189027037267527823721473133627759048791664701200752247083156237260087388888997805376164372050785064479237413214423038121328164051615829239845471264249038318776877913796827566458940235725343249466598608572299121212145367399925641041379967376034868462377132669606878481734038824268999500894635936245020500525098103262407144901220428046524169151198192853013284310042541745773646623735403175757359181204675300862929193253886424202032969046964216359610500579095844316586197913112635715961914823775876967358867286960699239287389132373583221923576280405806745144586155270785450107188903959255061905366749097020324243084944465549201437445683326538431355541296641082285665689686502009609196042605241860119384372668427413780412896878246586965077883620294447129553289280180804840095133107924235710497765938044220408275028805605754476675932089933711978792053379399617607965915286580558007630726509605360168329714775116547651954550059753941902004215500599649920787599208237982082393546285126104484121698072576937485372694489293528232736879267699156623879879684029695745658210603081466195364023017062234987476974859370010472633236840433153066022554139569340668235398688209423698029994592859759970007787047340233240287046492213522801703449335653858069447263078033491661828349457034976800489933963029106434515295795497259145210678456526952628626427477106081728067010644172945211125189919090029003069665815778772500991413720255832616143070986457613581585535145010963207587150848097551522967602626189469674409
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,868-digit prime (276 intermediate primes).

Certified number1,868-digit prime
Certificatedownload
Certificate chainshow step 24 of 276

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004927207421 --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":1100000004927207421},"decimal":true,"detail":2}}'