No. 133+7 =140 which is divisible by 7, so 133 is also divisible by 7. (It is 7 * 19.)
No.
a prim number is a number that only one and its self can go it to it ....... And a composite number is when other numbers can go in to it
no it is not a prime number
no. it is not a prime number
133 is a composite number.
No 70 is not a prime number.
53
Yes.
29
No 17
No, it can be divided by 3
yes, 453 is a prime number