What Are Prime Numbers For?

What exactly defines a prime number? While many might rush to describe them as numbers that can only be expressed as themselves times one, this definition leaves out nuances that make the subject far more intriguing.

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In this video, we delve into the intricacies of prime numbers. We'll address why numbers like 1 and -1, which can also be expressed as themselves times one, aren't considered prime. By exploring the true definition of primes as positive integers with exactly two factors, we'll bridge the connection to the fundamental theorem of arithmetic and reveal the genuine significance of prime numbers in mathematical theory.

🔍 YOUR THOUGHTS: After watching, do you believe there's a more intuitive way to describe prime numbers or is the two-factor definition truly optimal? Share your perspective in the comments.

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