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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 #1100000008677270937 1,557 digits created 2026-03-10

Value

467943377265699495512121949675406210575050951646457008771994336505552717327735992438603467996137780863835980019521875334885286069028446950764701378886583694876457403614153187524499489191262675192812155725589854970482102271710214126502341376675323773481900278445336091397981895526828843151102477091864512210244695112905063612124594742074819289859915853770883595103716147985264979335275709171737224199474942045267173606701645036653722061693888320198890288410128628496926168321330254017436766682484902737512078086676600759211046184581871970296058479108622438952416282717880282089539513114253631749487298969555282061927198112159814067776867496164184074032997412753425769771909910618496976845185704132528380237945034662077182209992876780101986934819609323083669249251936819236907137617481794068665796723670957645385131233983913712553681035775592673791564129478668591075314580444748719465215178930970762156337948347138922921305476963024423400945991751010556772435322095992881321882186015645586748580269610447575151810326883420271186150535448555596878005415655416379857041470371618971682137524554468480567358503039951111280393062294049244365809062141355569456357593811789962967738678230742816810265799599403319826155043144561658070333261906380208810721857536266262312810703623979188132127984405970910957721201556649325418329380193556193411211630205416816336024029299578509739228192692431913280087738620332819362360104665277143565033255958130769871683068584035840080205177910927324001238071474552474894299689760575310224674408762650561638792855083245282795081989273
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,675-digit prime (163 intermediate primes).

Certified number1,675-digit prime
Certificatedownload
Certificate chainshow step 8 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677270937 --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":1100000008677270937},"decimal":true,"detail":2}}'