jhshah
Joined 8 years ago
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Jan 18
Joined 8 years ago
Edit: some else pointed out that the government may have been trying to trick Twitter by later deleting the disclaimer about affiliation. Looks like I should have read the article before posting!
Asking for N mod 1000 was another cute twist that was meant to get you thinking about the divisibility properties of the totient function - "hmm, so (p-1) always divides \phi(n) for all prime factors p of n, how convenient..."