How about: 223-2 = 221 Or as a product of its prime factors: 13*17 = 221
221 has two factor pairs: 13 * 17 and [perhaps redundantly] 1 * 221
1, 13, 17, and 221.
The greatest common factor of 494 and 221 is 13.
No. 221 = 13 x 17
1,3,5,15,25,75
No.
13
13 and 17
9 ^ 3x3
200 100,2 50,2,2 25,2,2,2 5,5,2,2,2
The prime factors of 221 are 13 and 17. They're the only prime numbers that will divide evenly into 221 with no remainder.