No.
No. 2 is a prime but 1/2 is not a repeating decimal.
5.6 is a decimal number and is neither prime nor composite.
No, there is no largest prime number. Also 57 is not a prime.No, there is no largest prime number. Also 57 is not a prime.No, there is no largest prime number. Also 57 is not a prime.No, there is no largest prime number. Also 57 is not a prime.
No, because it has decimal numbers.
A prime number is when: The only numbers that can go inside that number is 1 and itself. So, yes. 99.9 is a prime number. By checking, you can do 99.9 divided by 2, and if its a decimal number, then its a prime.
The number 2 is prime and also even.
It is a prime number because it is a whole number (not a decimal) that can only be divided equally (without a remainder) by 1 and 97.
A perfect number cannot be a prime.
The number two (2) is the only positive, even number that is also a prime number.
47 is prime. A number that is prime has only whole factors one and itself. 47 can not be divided evenly without a remainder or decimal.
2