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 #1100000008675876972 968 digits created 2026-03-10

Value

27684973111260465203180860825921350481471717814007698834284766389503402447321489140881753883293104488341273969363526593322506969785232387294185169929541397303006319111892084887972957564102361406077689523637785828572457260250526946094743554039393891879970000447920633756880056388831386021977558437695265185500711118191289370433845484363813316033947846191417391620077935381342706603325644062913775986638139045245173195207052323240685302367769413262888511652787988886369169570427551821857652383197710767993901034887824035922368354717686399094106387808017173190904450271893949376327434966001424410062530782439145189023276314973167439985810025717654300922264695001297343348486379229049354226959963846779307163953529797456426023617762908110925571992010134789269290256444103300732756268719148543750780868419739320558959646155207003589123509398489567137700498417943052451932490066399973720368522232871195691954635882248480319443122366943789112216830259371125008191305698946669
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,150-digit prime (127 intermediate primes).

Certified number1,150-digit prime
Certificatedownload
Certificate chainshow step 20 of 127

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675876972 --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":1100000008675876972},"decimal":true,"detail":2}}'