Bertrand’s theorem
states that
(Between any two numbers n and 2n),
there always lies at least one prime number,
(providing n is bigger than 1).
Show that Bertrand’s theorem is true
i for n=10 ii for n = 34
伯特兰定理说,任何两个数n和2n之间,总是存在至少一个素数,假设n>1.
证明伯特兰定理是正确的.