Question
Let x be a prime number such that x≥23. Given that y= x!+1. The number of primes in the list y+1, y+2, y+3...y+x-1 is?
Answer: Option D
:
D
For 1≤n≤x−1,y+n=x!+n+1, which is divisible by n+1 always.
Therefore, there is no prime number in this list.
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:
D
For 1≤n≤x−1,y+n=x!+n+1, which is divisible by n+1 always.
Therefore, there is no prime number in this list.
Was this answer helpful ?
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