Perfect numbers: infinitely_many_even_perfect
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What the prompt says
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Statement
Infinitely many even perfect numbers conjecture. Are there infinitely many even perfect numbers?
This is equivalent to asking whether there are infinitely many Mersenne primes, since by the Euclid–Euler theorem an even number is perfect if and only if it has the form where is a Mersenne prime.
Reference: Wikipedia
Lean statement
theorem infinitely_many_even_perfect :
{n : ℕ | Perfect n ∧ Even n}.Infinite := by
sorrySources(1)
Openness evidence
Tagged category research open in google-deepmind/formal-conjectures at commit a64e959c32c2. Definitions used by the statement are in FormalConjectures/Wikipedia/PerfectNumbers.lean.
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