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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 #1100000004920980002 1,687 digits created 2023-10-25

Value

2499417134623209106261275626193115287664188690864679126819081698579864602060134822773644802915682175643909742047873773642529700494173069944620786881550572369172718613106512616777878185213315188545859818707125311758904584559819097795487960165096921650525055303406600461339106440279229621814395164153371320562462813133577537796451145033032690684453575891875556831803476033200815209617411076970511318168067750868878707539556266027492963586657577066292512143660652640316887290510242722008519851004170887408008902797393862172351524896540505997096563784148992422401038679018327593297997553571219429358089846706237077161106112510830323437353501762968268912942865564251762016804264028620991014853854478664125973486783572215327801382606695920332786090691403959256028222044292321949499254603594432813937443725198857491362980351037245149053585427947522721323205022014189260024861937762359075530272455170043758438718320500019041468201294105300253351277433664218874064537428765327723549410020808537969088385491021365735734137462389969241389588107763742820065371583832386717942912249303059731830063166040724344793552638340633366121021291038005360844622463635722072464751831994767509156049406880987306365235573215719588820880675295515147499476555366140592107137335847638881479316563898671999334807741918248113500539592676341426134373781300286664037291710097504196527621056190621657454092590927625869237133828062504058222620352745073032236446360707252675686506480380268820660846592567782446520098089348301162483511830338951167096379127445055091493020402043681760607878443198871230283615628580873682177127759386480200503060996897017641741508643593395586831310367467012978191380719227343743266941839387267
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,938-digit prime (251 intermediate primes).

Certified number1,938-digit prime
Certificatedownload
Certificate chainshow step 31 of 251

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004920980002 --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":1100000004920980002},"decimal":true,"detail":2}}'