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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 #1100000008680164057 1,192 digits created 2026-03-12

Value

1625719038779415322092256279730247561206179701732569584237541990145609116472426277887415815252430437393443108222767851568286794879420755095123665724948822789047577315924618717274873953028423946223154129903943965753184592724020134399045717256397373857542345389844673637087417913720280985272373970283088822743735834801381702600415995223262270348633778045562205216174542675331193611275640720241312614374017505784935048217709725398328354459245854625300830235222983351226500490695375868267966758162193256774323729974468019986089125583337532114186518021165745316915649554786536913354995501707215707445977741756776102733971266901245353601610701174085740630428558400880842100765228582974612767268087309332424438335140457092226417976445500184919963318334740491198342012546827487173905149840364003650930670530291100727235531012987477304559899808843120028143617341200274784775468281557900097703938014469115832258825059622038486911639605267295051213043810173541055159143120668441772417353256494059721224235426362923849279395165199504075657552890348257164654435982975528762365659945361475553300495146215933085463782286911985152136278035194476016340297691078663434573667122331160846613458685920884209823061
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,009-digit prime (200 intermediate primes).

Certified number2,009-digit prime
Certificatedownload
Certificate chainshow step 76 of 200

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680164057 --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":1100000008680164057},"decimal":true,"detail":2}}'