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26-11-2021
Mathematics

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Let 2m - 1 be a prime number. Prove that m is also a prime number

Respuesta :

freckledspots freckledspots

27-11-2021

Answer:

False.

Step-by-step explanation:

This is false.

A Counterexample:

7 is prime.

2(4)-1 is 7.

4 is not prime.

Another Counterexample:

11 is prime.

2(6)-1 is 11.

6 is not prime.

Answer Link

27link12 27link12

11-02-2022

Answer:

If m=2 (which is a prime number), then 4-1=3, 3 is a prime number.

Step-by-step explanation:

Answer Link

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