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Sliter med denne oppgaven:

Establish that 2[sup]2n[/sup]-1 has at least n distinct prime divisors.

Hint: Use induction on n and the fact that
2[sup]2n[/sup] - 1 = (2[sup]2n-1[/sup]+1)(2[sup]2n-1[/sup] -1)

anno wrote:Sliter med denne oppgaven:

Establish that 2[sup]2n[/sup]-1 has at least n distinct prime divisors.

Hint: Use induction on n and the fact that
2[sup]2n[/sup] - 1 = (2[sup]2n-1[/sup]+1)(2[sup]2n-1[/sup] -1)

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