221 has two factor pairs: 13 * 17 and [perhaps redundantly] 1 * 221
The greatest common factor of 494 and 221 is 13.
Use a factor tree. 221 13,17 All the factors are prime. 13 x 17 = 221
No. 221 = 13 x 17
No.
13
13 and 17
The prime factors of 221 are 13 and 17. They're the only prime numbers that will divide evenly into 221 with no remainder.
The GCF is 221
How about: 223-2 = 221 Or as a product of its prime factors: 13*17 = 221
Factors for 442: 1, 2, 13, 17, 26, 34, 221, 442 Factors for 663: 1, 3, 13, 17, 39, 51, 221, 663 Common Factors: 1, 13, 17, 221
1 mile = 1.609344 km, use this conversion factor