All others are prime numbers.
All others have only 2 factors with prime number.
26 = 2 x 13, 34 = 2 x 17, 72 = 2 x 2 x 2 x 3 x 3,
46 = 2 x 23, 38 = 2 x 19
All others have only 3 factors.
12 = 2 x 2 x 3, 28 = 2 x 2 x 7, 52 = 2 x 2 x 13
68 = 2 x 2 x 17, 96 = 2 x 2 x 2 x 2 x 2 x 3
All others are divisible by 3.
All others are prime numbers.
All others are prime numbers.
Only '729' is a perfect cube.
Except '97', all are divisible by 11.
This is the only prime number in the group.
This is the only prime number in the group.
All others are divisible by 17.
Comments
There are no comments.Copyright ©CuriousTab. All rights reserved.