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The number of positive integers 'n' for ...

The number of positive integers 'n' for which `3n-4, 4n-5` and 5n - 3 are all primes is:

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Knowledge Check

  • The greatest positive integer which divides (n+2)(n+3)(n+4)(n+5)(n+6) for all n in N is .

    A
    120
    B
    3720
    C
    286
    D
    720

  • The greatest positive integer, which divides n(n+1)(n+2)(n+3) for all n in N , is

    A
    2
    B
    6
    C
    24
    D
    120

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