Eccouncil Exam 212-81 Topic 12 Question 49 Discussion

Actual exam question for Eccouncil's 212-81 exam

Question #: 49
Topic #: 12

Uses a formula, M_n = 2^n 1 where n is a prime number, to generate primes. Works for 2, 3, 5, 7 but fails on 11 and on many other n values.

AFibonacci Numbers

BCo-prime Numbers

CEven Numbers

DMersenne Primes

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Suggested Answer: D

by Portia at Dec 06, 2024, 08:47 AM

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12 days ago

I'm not sure, but I think it could also be B) Co-prime Numbers since the formula involves prime numbers.

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14 days ago

I agree with Leslie, because Mersenne Primes are generated using the formula mentioned.

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15 days ago

I think the answer is D) Mersenne Primes.

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