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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 #1100000008680831238 1,100 digits created 2026-03-12

Value

98291280492594725242865327734141782026643557121549964949145032022635036755438017911211964913238420969358419280897296376769337685621004659860981343095104456970910406122230879367576446591361275877445933171905929686055728989264413930267947941261492945817771349634978182018241062222549295197789738011256367384349143458418286837269532119400314928796356146651673913596351217661855552541058270967341617957726441415670949585114550580761999849483916266019478413646654706244714514319463071520697294460138730774559776383064275086297223355652160549001616270907223786386273788582987560456165205187907894136680190975938608163186229537142947903952087711563879044806072541302852336656517595817793730606567195328578674302100375581047714579048580748488852953692166283338874629887745806268514405890685848376423348416594850743025957450543961046864283736245535905055327721052453805537635595096087851912787374816999366599590214652551229466905111587839441664384890128023138184546657058857209175528320806775515761127609861212850679373588931059527910856765129002492765104676968849519521192639491830910282509845731961532825339
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 2,694-digit prime (164 intermediate primes).

Certified number2,694-digit prime
Certificatedownload
Certificate chainshow step 100 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680831238 --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":1100000008680831238},"decimal":true,"detail":2}}'