Monday, 18 January 2016

Food for Thought: Is it even or odd?

A number's prime factorisation is
23 X 32 X 52
Is the number even or odd? Explain your reasoning.
Name four other factors of this number, other than 2, 3 and 5.


53 comments:

  1. This comment has been removed by the author.

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  2. Even, because all the powers are even.

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  3. Even.Any number multiplied by an even number is even(in this case its 2)

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  5. Replies
    1. The number are multiplied to become even.

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    2. The number are multiplied to become even.

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  6. Even because all the powers are even

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  7. Replies
    1. Because the numbers are all even numbers

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    2. Because the numbers are all even numbers

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  8. Replies
    1. 2 to the power of 3 is 8 which is even. 3 to the power of 2 is an even number and so is 5 to the power of 2. if you multiply all the numbers you will get an even number

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  9. Replies
    1. Because the powers all add up to even numbers

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  12. Even.The product of 3 to the power of two and 5 to the power of two is an odd number.When it is multiplied it will be even because it is multiplied by an even number.

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  13. EVEN bcuz if u times the numbers its even

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  15. Even
    Any number times an even number is even.

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  16. Any number multiplied by a eve number is even

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  17. Even because the quotient of each number is even

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  18. Even because any odd number multiplied by an even number will result in an even number.

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  20. Even. An odd number times an odd number is an even number.

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  21. Even. An odd number times an odd number is an even number.

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  22. It is a even number because the first 2 numbers 3 and 2 are even numbers therefore with a 5 at the end of the equation of 5to the power of 2. And when a number ending with a 5 is times by a even number the end product would be even number

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  23. EVEN bcuz if u times the numbers its even

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