It's not Prime number because it has more than two factors therefore it's a composite number
217 = 11011001
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
217 is already a whole number.
No 70 is not a prime number.
Yes.
29
No 17
53
217 isn't prime. It's factors are 1,7,31 and 217.