factordbrpc · fdb
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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 #1100000007785055487 1,742 digits created 2025-01-11

Value

12640850474716592652275443986573955099466641845501600826826193520518094365883081790800584979755270915791045600615611801244119989478515758750098053238747317907330770593043417298206739910140238840005280587465910850332097318316798348878525699457448629878273469445335934580382169679739999361415579527248899378879814859912575356214748283254919530621632162280126348697317361420624163021497009481885475320814129822637833989158130048439958110161547761982548932498846030154824359880558653743149202492362508181266871991372379329107199884438844131176659928511706309798727143955806453196898157354381379734279266062404690520699685383543321616490872792690035948071060670386531880305885314175559049706841974389236770974889995369939951749254605297771716827578845078318571501496472439521755588151118657483974886993164724817054494102133621006144864832218917335759131215397499197924173402666480807629290588297344808563804425795990028179474102154874213506066319537490561976850954590544875438954955313594399567916587833577245389407814778916072529362102250834504595974074785240283395252361762804044198251540200708371749246358284757785494624616002378805515584387723332331511007722591895834476835114095743176253450852249369045416079446766256433398223644005366611471450871706633910495857381687292082624074770634123943482666866801161370016898290885520521262285084879221382668391375315230149337646415664342205466471342516047658482199820702684286984143444206208939446274660692857339620870476727833351165498676014804894745033389144421136527639602761497485303612996703643809199314583644065774074229016135089845674201707053085135232146625274897647220265287816470197909795543463430977694033657058125064526411781605361661987690573319604891999740723336657798969379658484282801
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,878-digit prime (145 intermediate primes).

Certified number1,878-digit prime
Certificatedownload
Certificate chainshow step 13 of 145

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000007785055487 --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":1100000007785055487},"decimal":true,"detail":2}}'