Question

2,5,9,10,19,22 which are prime?

Answer 1

which ones can you only divide by 1 evenly?

Answer 2

for example
9/3 = 3
i can divide by 3 which is not 1
so NOT prime

Answer 3

why did u divide 9 & 3?

Answer 4

because i can, its a test to see if 9 is prime.
for each number, try to divide by 2,3,4,5...
if nothing works then it is prime
*oh and dont divide the number by itself

Answer 5

ok ill try

Answer 6

so 2, 9, 10, 22 ??

Answer 7

are those prime or not prime

Answer 8

prime

Answer 9

5 and 19 is not

Answer 10

ok i want you think the exact opposite
5 and 19 are prime because no other numbers divide evenly into them

2 is actually also prime because remember dividing by itself doesnt count, 2 is a tricky one though

Answer 11

ohhh okay

Answer 12

gotcha. thank youuu!