yes
primes are 2 3 5 7 11 13 17 19 and so on ...
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Prime numbers, raised to a power, have one more factor than their exponents. The smallest prime number is 2. 210 has eleven factors. 210 = 1024
13.
They are positive integers, evenly divisible only by themselves and one.
A prime number is a number which can only be divided by one or the number itself. The number 22 can be divided by one, two, eleven and 22. Thus, it is NOT a prime number
Since 11 is a prime number, the proper fraction 11/12 is already expressed in its simplest form.