**1 is not considered a prime number, though 1 = 1 * 1***- Apr-17 12:42***6 = 2 * 3***- Apr-17 12:42***1 547 = 7 * 13 * 17***- Apr-17 12:34***884 = 2**^{2}* 13 * 17*- Apr-17 12:33***20 = 2**^{2}* 5*- Apr-17 12:32***5 is a prime number***- Apr-17 12:32***1 009 is a prime number***- Apr-17 12:28***1 007 = 19 * 53***- Apr-17 12:28***1 004 = 2**^{2}* 251*- Apr-17 12:28***1 003 = 17 * 59***- Apr-17 12:28***1 002 = 2 * 3 * 167***- Apr-17 12:28***1 001 = 7 * 11 * 13***- Apr-17 12:28*

- 2 is divisible only by 2 and 1, so 2 is a prime number
- 3 is divisible only by 3 and 1, so 3 is a prime number
- 5 is divisible only by 5 and 1, so 5 is a prime number
- 13 is divisible only by 13 and 1, so 13 is a prime number

**Examples of prime numbers, up to 100:** 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97