Snaefell Wheel was started to restore the wheel to its home in Laxey and on 20 August 2006, the wheel had its official reopening ceremony and began turning for the first time in decades. To mark the occasion of the official opening, and in similarity to its big sister, a piece of music "Snaefell Wheel March" was specially written by Paul Dunderdale for the occasion and performed for the first time by Onchan Silver Band at the opening ceremony, with suitable fanfare. Snaefell Wheel The Snaefell Wheel (also known as Lady Evelyn) is a waterwheel in Laxey, Isle of Man. The wheel
Largest known prime number the progression of the largest known prime number in ascending order. Here M = 2 − 1 is the Mersenne number with exponent "n". The longest record-holder known was M = 524,287, which was the largest known prime for 144 years. No records are known before 1456. GIMPS found the fourteen latest records (all of them Mersenne primes) on ordinary computers operated by participants around the world. A list of the 5,000 largest known primes is maintained by Chris K. Caldwell, of which the twenty largest are listed below. Largest known prime number The largest known prime number () is