The lowest Prime number that exists is 2.
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Why isn't 1 the lowest prime number?The definition of a prime number is: A number whose only factors are 1 and itself. Therefore meaning, 1 isn't a prime number because 1 and itself is the same number. Which makes, 2 the lowest prime number.
The lowest prime number is 2. The highest prime number less than 100 is 97.
1 is a prime number, but 0 is neither a prime number nor a composite number.
Answer: one Answer: two. In the past, one used to be considered a prime number, but currently most mathematicians don't count it as a prime number.