What are prime factors for 242?

Answer 1

Yes. Have you tried dividing by 3 to see if you get a whole number? Also, if the digits of an integer add up to a number divisible by 3, then the number itself must be divisible by 3. (Special case for dividing by 3 only).

Answer 2

1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342

Answer 3

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420

Answer 4

1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342.

Answer 5

2 x 3 x 3 x 19

Answer 6

It is: 2*29*59 = 3422

Answer 7

2, 3, 3, 19

Answer 8

2 and 11