## 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.

1. the powers are even

2. the powers are even

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2. Even, because all the powers are even.

1. 6, 9, 10, 12 (4 other factors)

1. 2x2x3x5=60 60x3=1800

2. 300,600,900,1800

3. 300,600,900,1800

1. because any number multiplied by a even number is even

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

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1. The number are multiplied to become even.

2. The number are multiplied to become even.

5. Even because all the powers are even

6. Even
10, 20, 1800

1. Because the numbers are all even numbers

2. Because the numbers are all even numbers

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

1. All the "powers" are even

1. Because the powers all add up to even numbers

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10. 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.

11. EVEN bcuz if u times the numbers its even

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

14. Any number multiplied by a eve number is even

15. Even because the quotient of each number is even

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

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

19. Even because its times by 2

20. Even. As long as it has 2 in it

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

22. Even
10, 20, 1800

23. 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

24. EVEN bcuz if u times the numbers its even