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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 #1100000004940370938 1,009 digits created 2023-10-25

Value

2638898146245527653012134004895255471095707924121538353317697575676105434555831966735412832352149816452063735035594320428589863601888903683453114668458233103527042528232325015628076134464853133798571737272758146785615232224651455573056754419116915713525480071606246122178803206477658491710476999309045944319779524855740327119691502980804561960641284965883757647174412049948951503210957512893357651936693948172849970040615263131271639181348532770288776733594018376766945870160869892803614955003505869975072492188971288573298511248191959718306191805309620301972980780388011238559918702534610330144622951196804126843524612331244266928220989380316321379486770625562908124009281775148013978657040847305017763834849979826880592301322246662163755343822426156728987729087306171347030647832760707191560334608428479431895896860598147222811256824109584068532298994020545748930576050902584066719860213866954020637374995206760977160956490037902378283005447279221592368466010381049054832052814742165011261238297763640071657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,647-digit prime (186 intermediate primes).

Certified number1,647-digit prime
Certificatedownload
Certificate chainshow step 67 of 186

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004940370938 --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":1100000004940370938},"decimal":true,"detail":2}}'