Question

is the number 63 prime or composite or neither?

Answer 1

It is not prime.

Answer 2

well it is only divisible by itself and 1

Answer 3

lies sorry

Answer 4

its neither

Answer 5

its composite tho , right or wrong ?

Answer 6

all it is a multiple of whole primes, so that makes it composite

Answer 7

thanks , i thought that . but 2nd guessed myself

Answer 8

nice tip on identifying divisibility by 3:
if you add the digits of a number and the result is divisible by 3, then the number is divisible by 3
63->6+3=9 is divisible by 3
so the number is divisible by 3
so it's composite :)

Answer 9

i'll keep that in mind , GREAT tip.