You basically check different numbers, until you find one that is prime. For example, starting at some odd number, say 31, check several odd numbers (31, 33, 35, 37, 39, ...) and see if it is a Prime number.
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
No 70 is not a prime number.
Yes.
29
No 17
53
No: that would make it divisible by another number other than 1, which violates Prime Number defination. Jack
No, it can be divided by 3
yes, 453 is a prime number