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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 #1100000004877615254 1,975 digits created 2023-10-25

Value

4830243501521251784045446650331466750543086831524388587558025142713905175586193831663080739634133217432583572416813718679388817523291514212816213246991903497103522705927843347279330448165468423900308535586835876910031990205278297758309982633918116072615567082507492850060392954739806428580760382671147446573367198578825923074256088135446309884462613950713787374330289555064728832357881958787758638500998947940504767194941427539351598745065021247242197726624613001535915899143827847180639866771223431881829152306997029458340652134512882471493188761040449938270358490449924751486363087929177815583467391652293110464176627944442020566271636801269919505317156030651279682460407706356660228576957846585024092717742899804222604731013938271613216035481928503056485873689899885195366769089937815371664444878201887737472182978589852842958133824813613865336708390925218020131722717881631831966656970640243775668341250920557334411186398082353108428383860975763287601458128262546314459603446265239911491719620956609047235374989824697861596242625992674765499042915993080923696149779124207409253248930429921162624953806831296097803760416050171044617390589559037071544334623218142763943485885098553393903719487910671038719846689143568597213280519500325537942195707030683540709944007282676026846340690473937952759114925839284440290280194373051363111266480507976458923064783772308479579468551436345791232044349094597736142817916235406352834067799517021748441607027024062857534117674749299583842276918327041501800874125320977245352523619532421861210558025437838507960501016248328360827549620510574785204906756198756624544726967861113962661190303138383769322698398451648686363639972260792167714791915839707223720386716439806570067941503483100291585577658398413288099831880640092154035439599716033486869918835672632753747034896139530440774386072367217983177850677009211832380080308599002412474134322586734699071891640640068177385481378074839957142858465483478852655091068402935039603683195549189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,457-digit prime (284 intermediate primes).

Certified number2,457-digit prime
Certificatedownload
Certificate chainshow step 47 of 284

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004877615254 --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":1100000004877615254},"decimal":true,"detail":2}}'