221 ÷ 13 = 17.
221
17 & 13
63 and 49
221
1, 13, 17 and 221.
1, 13, 17, 221
221 is prime so nothing but 1 and 221 go into 221. 32 is 25 so 1, 2, 4, 8, 16 and 32 go into 32. The numbers are coprime, so only 1 goes into both.
221, 442, 663, 884 and so on.
Apart from itself and 1, the only numbers that divide evenly into 221 are 13 and 17. Therefore, 221 = 13 x 17.
13 x 17 = 221
13 times 17 = 221
221
There are no two primes whose sum is 221.
13 x 17 = 221
It is their lowest common multiple which is 221 13 and 17 are both prime numbers
The prime factors of 221 are 13 and 17. They're the only prime numbers that will divide evenly into 221 with no remainder.