index

id: 8c180ec4c91c40e592241544da0a28be29aa602f3ac4ca60655a11e0858a644e

id (bech32): note13svqa3xfr3qwty3yz4zd5z3ghc565cp08tzv5cr9tgg7ppv2v38q2e4kp4

sig: d7ea3e364a1862297f5034666dd5cd45b1d9351cfc09b47ebf20867774ebb35083a37bccb887f600c70d0517a5ffa98ffd7302cdc1284f6b23782e2f1111749d

created_at: 2023-10-14 22:47:15 +0900

created_at (unix time): 1697291235

content:

/run ruby
require "prime"
n = 1000_0000
c = 3 # 2, 3, 5
i = 7
loop do
c += 1 if i.prime?
i += 4
break if i > n
c += 1 if i.prime?
i += 2
break if i > n
end
puts c

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