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 #1100000008501823213 641 digits created 2025-11-01

Value

80713913875771657657353045237612149000639401622345023867200004217207336348444951274804534671154623487269001439207345024773318305221720930769947954378947722968434367551787424516075407343018858150254981103913713375632929934240517221674709171267625942624127390799895067031442671373829992623918496637115389740361158271542040116542379514389920417300024289054692346581282182330414755419255436263451927702719998047704667980690727211025493842281774959930194467116755191964382978125214569924495475170781087310766986406920310433744658023550438333593312940839465365998581960575749915379473139762240420152992999969351070478008075101713138354000640992897
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,220-digit prime (128 intermediate primes).

Certified number1,220-digit prime
Certificatedownload
Certificate chainshow step 56 of 128

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008501823213 --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":1100000008501823213},"decimal":true,"detail":2}}'