Any whole number greater than 1 that is divisible only by 1 and itself, is defined as a prime number. For example, 7 has only 2 factors, 1 and 7 itself. So, it is a prime number. However, 4 has three factors, 1, 2 and 4. Therefore, it is not a prime number. It is a composite number.
625, 125, 375, 75, 225, 45, ?
10 11 12 20 24 ?
27 28 32 41 57 ?
...31 40 51 64 79 ?
110, 119, ?, 193, 274, 395
42, 48, 60, 84, 132, ?
10, ?, 50, 100, 250, 500
The question below is based on the given series I. The series I satisfy a certain pattern, follow the same pattern in series II and answer the questions...
21, 28, 39, 52, ?, 88
105, 111, 123, 141, ?, 195
