Problems within the power steering unit cause even louder noises, but they often do not happen until you turn the wheel as far as you can in one direction. If the power steering drive belt is loose or damaged, whining often gets quite loud.
The number 2 57,885,161 â 1 has picked up the baton as the largest known prime number, a result that is tremendously exciting for mathematicians, if rather irrelevant to the rest of mathematics. Primes are numbers that can only be divided by themselves and 1, such as 2, 3, 5, 7 and 11.
Some facts: 1  The only even prime number is 2. 2  If the sum of a number's digits is a multiple of 3, that number can be divided by 3. 3  No prime number greater than 5 ends in a 5. 4  Zero and 1 are not considered prime numbers. 5  Except for 0 and 1, a number is either a prime number or a composite number.