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if n is a prime number than n +1 is not . True or false

  • geometry -

    Hi Kayla,
    First determine your definition of a "prime number. (It can only be divisible by itself or 1, evenly.)

    Replace "n" with a number and add 1 to it; then test the definition.

    e.g., if N = 1; then 1 + 1 = 2 (Is 2 a prime number?)

    try again, e.g.if N = 3; then 3 + 1 = 4. Can 4 be divided by anything else besides itself and 1? Yes; therefore, it is not a prime number. 4 divided by 2 divides evenly, confirming that 4 is not a prime number.

    Test a few more, and I think you will be successful!

  • geometry -

    THANKS!!! I get it!!!!

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