Questions tagged [prime number]

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Elena Elena Fri Aug 23 2024 | 6 answers 1724

Why 2 is not a prime number?

I'm curious to understand why the number 2 is not considered a prime number. Isn't a prime number defined as a natural number greater than 1 that has no positive divisors other than 1 and itself? Since 2 is the only even prime number and it only has two factors, 1 and 2 itself, shouldn't it fulfill the criteria of being a prime number? Can you explain the reasoning behind why 2 is excluded from the definition of prime numbers, or if my understanding of prime numbers is flawed?

Why 2 is not a prime number?
GangnamGlamour GangnamGlamour Fri Aug 23 2024 | 5 answers 1281

Why is 1 not a prime number?

Excuse me, could you clarify for me why the number 1 is not considered a prime number? I understand that prime numbers are defined as those greater than 1 that have no divisors other than 1 and themselves, but it seems to me that 1 only has 1 as a divisor, which would make it fit the criteria. What am I missing here?

Why is 1 not a prime number?
CryptoBaron CryptoBaron Fri Aug 23 2024 | 7 answers 1473

When did 1 stop being a prime number?

I'm curious, can you explain to me when exactly did the number 1 cease to be considered a prime number? Was there a specific mathematical breakthrough or shift in understanding that led to this change? I've always assumed prime numbers started at 2, so I'm intrigued to learn more about the history and reasoning behind this decision.

When did 1 stop being a prime number?
CryptoWarrior CryptoWarrior Fri Aug 23 2024 | 5 answers 1073

What is the scariest prime number?

I'm curious, what do you mean by the 'scariest prime number'? Is there a specific mathematical property or context that makes a certain prime number more daunting or intimidating than others? Or is this a playful question meant to evoke a sense of wonder and mystery around the realm of prime numbers? I'm intrigued to know what criteria you're using to determine the 'scariest' prime number and how it differs from other primes in the vast landscape of mathematics.

What is the scariest prime number?
MysticEchoFirefly MysticEchoFirefly Fri Aug 23 2024 | 7 answers 1706

What is the logic to find prime number?

Can you please elaborate on the logic behind finding prime numbers? I'm curious to understand the process and methodology that mathematicians and computer scientists employ to identify these unique numbers. Are there any specific algorithms or rules that they follow to ensure accuracy and efficiency in their search? I'd appreciate it if you could provide a concise yet informative explanation of the underlying principles and steps involved in this fascinating mathematical pursuit.

What is the logic to find prime number?

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