Question

Find the prime factorization of each number. If the number is prime, state this.
39, 30, 27, 150, 40, 31, 210, 33.

If you can, explain the steps you did to at least of the above numbers. Thanks in advance :)

Answer 1

39=3*13
30=2*3*5
27=3^3
150=2*3*5*5

Answer 2

what does ^ mean?

Answer 3

40=2*2*2*5
31 is prime
210=2*3*5*7
33=3*11

Answer 4

^ means exponent

Answer 5

27=3*3*3=3^3

Answer 6

Okay, how did you find these? Can you teach me?

Answer 7

For example, how would i find the prime factorization of 115?

Answer 8

do u know what r the prime nos?

Answer 9

can u list them?

Answer 10

2, 3, 5, 7, 11, 13, 17, 19, 23 & so on..

Answer 11

right :)

Answer 12

Okay, but i dont understand what im suppose to do with them lol

Answer 13

now for 115 u have to see by which prime no is 115 divisible?

Answer 14

it ends at 5,so divisible by 5

Answer 15

so do i start with 2 & go up?

Answer 16

yeah, but 115 isnt divisible by 2

Answer 17

115/5=23...ok?

Answer 18

ok

Answer 19

23 is prime

Answer 20

now see 23 is prime, so we r end up
115=5*23

Answer 21

Oh, okay.. i get it now.