SS Ellan Vannin (1854) "Ellan Vannin" proceeded across to the new pier where she was opened to the general public. The "Ben-my-Chree", which was returning to Douglas following a pleasure cruise around the Island passed close by and greeted the "Ellan Vannin" by firing two guns. The "Ellan Vannin" entered service under the command of Captain Joseph Skillicorn, an experienced mariner who prior to his appointment had been in the employ of the Isle of Man Steam Packet Company serving on the "Mona's Queen with the rank of First Officer. Mainly the "Ellan Vannin" would ply between Castletown, Isle of Man and Whitehaven, Cumberland
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