49 has only one prime factor and it is 7
2 and 3
7 and 191
Factors of 27 are :- 1,3,9,27
1,2,3,4,6,9,12,18,36
302 = 2 x 151
They are: 2, 2, 3 and 3
They are 47 and 53
7, 41, 271
1 2 5 10 25 50
98 = 2 x 7 x 7
Itself because 23 is a prime number
1, 2 1, 2, 3, 6, 7, 14, 21, 42