SS Ellan Vannin (1854) via Peel and onwards to the north of Ireland. It would appear that the vessel was being utilised to her maximum. Sailings to Whitehaven and Liverpool were maintained whilst sailings to Glasgow and from Liverpool to Dundrum via the Isle of Man were introduced. However it would seem that the company continued to sustain losses over the winter of 1857-58, and by March 1858 it had been decided to put the "Ellan Vannin" up for sale by public auction. She was sailed to Trafalgar Dock, Liverpool on 6 March, where she was laid up awaiting sale. She was offered for
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