Fortunate number numbers are prime. Fortunate number A Fortunate number, named after Reo Fortune, is the smallest integer "m" > 1 such that, for a given positive integer "n", "p"# + "m" is a prime number, where the primorial "p"# is the product of the first "n" prime numbers. For example, to find the seventh Fortunate number, one would first calculate the product of the first seven primes (2, 3, 5, 7, 11, 13 and 17), which is 510510. Adding 2 to that gives another even number, while adding 3 would give another multiple of 3. One would similarly rule out the
17-11-70 that album producer Gus Dudgeon remixed the tracks to create a notably different sound from the original US LP mixes. In addition to level changes, Dudgeon's version also added some echo and other effects not present in the earlier mixes, which has drawn mixed reactions from fans. The 2017 Record Store Day special reissue features the six remained-unreleased songs from the concert, plus "Amoreena" (featured on the 1996 CD). The track listing for the first two sides is the same as the original 1970 release. Note Production Album 17-11-70 17-11-70 (US title "11-17-70"), released in 1971, is the fifth official