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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 #1100000009080279616 1,196 digits created 2026-08-13

Value

12977648318878449621650363250822367274972069425287074105080220798006370493566093319514863535901121021787563143966442701954728886302319404813468943918229690501422001911300719325843843417470911121967859934071561429727062638405793230835319094297261310477345933759499276092101531395627401374297167611003411063576667971582854882640026653770946490608327532496070987502276500596411614944955570964811522215670199251478690509776691793378047644158777416934136055995576769037943533360602832380509700219606116527490535394378692725758338181093840456730583158335812626445378066496081806649736111989663747738176776727590315289868257967877595681985765525865511643097352801030672054557715328286094310810035976755185219008129335920629885343108720832477739718251512477067795148440062061857464661757449534634080385183666692416934741843141506539855362800307955207871114782282648581872983762856395014979767408974085390968480172655413282534889169373610702234369426653294152983023353344162385033934673059440138833068161358212290384806358132539505869939540205525658814441300008946844586446860683859131260928778803578246637209825352429354789955758713846902385246295648327692839749245259277453310700836994098064820880824581
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,868-digit prime (143 intermediate primes).

Certified number1,868-digit prime
Certificatedownload
Certificate chainshow step 57 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080279616 --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":1100000009080279616},"decimal":true,"detail":2}}'