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 17-11-70 17-11-70 (US title "11-17-70"), released in 1971, is the fifth official album release for Elton John, and his first live album. The recording was taken from a live radio broadcast on 17 November 1970, hence the album's title. According to John, a live album was never planned as a release. Recordings of the broadcast, however, were popular among bootleggers which, according to John's producer, Gus Dudgeon, eventually prompted the record label to release it as an album. It has been said that the release by an eastern bootlegger of the whole 60-minute air cast rather than the 48 minutes