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Maths

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M says that every number in the nineties is composite.J says that one number in the nineties is prime. who is correct?

  • Maths -

    all the evens are composite
    91 + 7*13
    95 = 19*5
    97 is prime
    99 = 9*11

  • Maths -

    What is the answer

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