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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 #1100000008799243764 1,209 digits created 2026-05-10

Value

575742939654795542730048019725787731006844556267805430138965134878396259538750463017492492126890847040267454479069641935261823042836658128655953887273286384253570838004623439860460684983801514478927667404723165157578876672346370126671143798746046302660912552813128764864366570861386381852285938177546148092149730209917849165923840323384540988470180394368773395052144100835060339923382850571772612429014746853155511030870730932024910034452971765365461510659807098269635643659221620342215355435058095714638087844809051407781656506637689778707931739139133316397805947995808983843319156688038181826282152249188734629432582833011627187306778476991211704004839895548666042688068931701191663427548564093900867260350962134511641587200139494949247577060241344348221156092261173340087672992961773942749059589523427357873867420952814770659780918674243356168613533800720125250571815284246014950696585792923212708754886000890897691135250890004221655729729876374201725021872451465873445917632427870379541908312778267148049750533816577880413474762044795963705301532658088485625283268765105065412839537826851348097853146034759523177378119082836577691196310899402215871098044682805276147722134492347928162685328242202112775709
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 175 of the certificate chain of a 3,883-digit prime (240 intermediate primes).

Certified number3,883-digit prime
Certificatedownload
Certificate chainshow step 175 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008799243764 --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":1100000008799243764},"decimal":true,"detail":2}}'