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 #1100000008676272108 696 digits created 2026-03-10

Value

216848622742845987565374003721257512623956484613951518982376311231901736749734732163514578623029164754389667389820246712824498791596067510682491001291165310850843825273196284441892862737025529962514050471693299997491258423991724713635441974215146231709970558890965670209763502486742727798088755404940226299254617000516736274687714597393157701437594011371010210539291788843689993639452242364675869203532852436303134770121395173412808520069915238525304431450365874999176117936926719057120178111257536079100298707916169263558203178798646856305105463319072362745869576938672594375315296700712857354506388298518039498786333303774146374424883824021574965678037844049348588501982768086423646245963757391
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 177 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 177 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676272108 --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":1100000008676272108},"decimal":true,"detail":2}}'