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.
Tell your students that each of the circled numbers is a prime number. Explain that a prime number is any number that has only two factors, 1 and itself. It is important to let students know that 0 and 1 are not considered prime numbers. Review the first couple of numbers on the Hundreds Chart as a class, deciding whether each is prime or composite.