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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 #1100000009054270189 2,290 digits created 2026-08-07

Value

5617588238846383806595384146386751491211405048171481335483643409178891725658482848262498485513190411867899669598221387798612517193357121507270330297753062987739189567815942479365148310158847407640442028636727847595439743483139993789623119368417133152000665339330992994227842343809457372936268878968991351972284006375990923582246256318016574282927960206188724796067524344015159236150775444507760540754505338995046049743136243985423603149571341483447769032781692199123051777347214910279591314187722006546626660423311736619059463820577074013502599421679594632492544253289370992449153348903868859452864305486755686572496468934245824381597253760396588126377372143973905716044543838467653981644618391919776728402431254048011213544098381290929547024303550847702162990109724125182279179556108547642548945803670803580374888269433322327321859300246093047059373005734071516196016192844298471223932337989566820130268905318218004182500733975895099796879524034188588418190538542092720469567456534095121599579969928907010243798692577888435680864641180310984810892706266440446573912967736152215187993458621570688618311199424505429249068741227932807665641275502384532322348744388632548939061879244187160886084314594093784142347277418748168866496615309053896917415388847501356677286364737491051967109753237922808615895898384903483200072142991146446643464438407027406299039393356066818479253269354749360589166409864882870213972571382845168410359092074982399294888814496616932355758743898092186920039137007128805370791600706252789238575335701038231013095117461246439183054806687985559590398811368625373846944044210729913886702680086283481341452383081998085106566742622452327724887895687305281236687217920811368763879928727022873734187452853767137334175255299510273661163016045072925046846177092090946850728475366648339400665316063754732988102356242344964737643594658631838180555448188668347904536938942992190052188666351739493469046680244292830153699037093845354137384013159161105709572796143051386105641616478579077596331880199489851197936448682527698699652370030822082002754077550454165858253006838682919282060039585875108725339012233950389770285273889808522287533833137111983377353880939778736733977742014436042710786640189763633377667429078145245565401111613450036874985765439518290859511221771301732171403
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 24 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054270189 --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":1100000009054270189},"decimal":true,"detail":2}}'