SS Ellan Vannin (1883) "Ellan Vannin" leaving the ship only a day or so before the sailing. Of the passengers on board, two were leaving the Isle of Man for business overseas. Mark Joughin of Ballawhannell, Bride, Isle of Man, was on his way to America to make enquiries into an estate which had been left to him. Another passenger was Edgar Blevin of the accountancy firm Kerruish, Son & Blevin of Douglas and Liverpool, whilst Christopher Heaton-Johnson of Beaconsfield Towers, Ramsey, Isle of Man, was en route to India. Thomas Quayle of Andreas, Isle of Man was a former steward for the Archdeacon
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