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thatsmaths.com | ||
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www.jeremykun.com
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| | | | | Problem: Prove there are infinitely many primes Solution: Denote by $ \pi(n)$ the number of primes less than or equal to $ n$. We will give a lower bound on $ \pi(n)$ which increases without bound as $ n \to \infty$. Note that every number $ n$ can be factored as the product of a square free number $ r$ (a number which no square divides) and a square $ s^2$. | |
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aperiodical.com
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| | | | | This week, Katie and Paul are blogging from the Heidelberg Laureate Forum - a week-long maths conference where current young researchers in maths and computer science can meet and hear talks by top... | |
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mathscholar.org
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www.ethanepperly.com
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