13 x 17
13 x 17 = 221
13 times 17 = 221
Apart from itself and 1, the only numbers that divide evenly into 221 are 13 and 17. Therefore, 221 = 13 x 17.
8x19
13 x 17
13 x 17 = 221
13 times 17 = 221
There are no two primes whose sum is 221.
Apart from itself and 1, the only numbers that divide evenly into 221 are 13 and 17. Therefore, 221 = 13 x 17.
8x19
Well, darling, 13 times 17 equals 221. So there you have it, simple math for a simple question. Hope that clears things up for you!
13 and 17: 221 = 13 x 17
17 & 13
1, 13, 17, 221.
221, 442, 663, 884 and so on.
1, 13, 17 and 221.