anwsers to these?

i need to know the anwsers for these for this maths quiz as im bored on the internet
1. all the factors of 20
2. why is 13 a prime number
3. why is 81 a square number

cba to work them out as im not in the mood for maths

Quote:

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Originally Posted by Swift

i need to know the anwsers for these for this maths quiz as im bored on the internet
1. all the factors of 20
1, 2, 4, 5, 10, 20

2. why is 13 a prime number
only divides by itself and 1

3. why is 81 a square number
because 9x9 = 81
it's the square of 9.

cba to work them out as im not in the mood for maths

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............... :D

Helen you must be the most intelligent person in Scotland.
(Apart from the English people who go to uni there ofc)

What year are you in? :S

Quote:

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Originally Posted by FlyingJesus

Helen you must be the most intelligent person in Scotland.
(Apart from the English people who go to uni there ofc)

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lmao it's like primary stuff.

and fyi scottish people are cleverer so shutit.

Yeah thats primary stuff.

I think i did that in year 6

Well dont Helen :]