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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 #1100000004890469745 1,780 digits created 2023-10-25

Value

1552486240983911753877510505281790843470623755897414315199908055730814802601830959746567256399410823826344152537387308288747917728048928559021567517992169286517499830641030204607901113071173331385661310682492536988042648412583953512821446166829314754854311490236911645759350662720612550701481389041863300648583727889726537630505178665317872709790710672533884325576959649967078059317276345320038598895154280965912084238466232978047307005166451169041408945243420072405723976857457086539315462814664014655949796519478352545953460817726125353559620926354690703853369404103865495484523682229863013152631269115867863072148421257590053607548577205490278216893987346721805139377533322709627469731947917953855732317349726663882693566256710054535767633036640947899990960311958387179561211160313419553999444821498357690736114960782296487252913646184064829993528112654330229660985845136260432921094133402033163038365628184966641401951397407712365669947958107202764833272799468296641681787757110418243785034753059638070224761429123182835460760324804071114444652928493989576032095057344640327767897817659060946840465160212761969632743831130551467014111115364680753818296020176085785530652296550501164185465955211128358028192505584485590942381288129702585664571478076827338809714228436833568358575477984520187021326942995822983385725293281124896095759468474333016869511514001152859176505392481033240299180819952660689790310285068911615506117738732986379962662349166780055923786346198013834912717899297760124946253389942881957980220066952327798686384838879444680883036037497797234047319027802657214931625407914643046714316343909287455959520183725790761569217235482655926866705052503125835774848084510117862374116353743224502913863299969419570150178211196176924666757719553219618633209649031566591
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,240-digit prime (259 intermediate primes).

Certified number2,240-digit prime
Certificatedownload
Certificate chainshow step 53 of 259

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004890469745 --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":1100000004890469745},"decimal":true,"detail":2}}'