16-03-2015
Mathematics

Answered

Which of the following numbers is prime?
(Points : 1)
133
143
153
163

Answer :

16-03-2015

133 can be divided by 7, so it is not prime.

143 can be divided by 11, so it is not prime.

153 can be divided by 3, so it is not prime.

163 can only be divided by 1 and itself, so it is prime.

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Chrisk33 Chrisk33

16-03-2015

163 is a prime number because it has no multiples other then one and itself

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