The two numbers that are less than 20 are 1 and 2. However, there are many other numbers less than 20, including 3, 4, and so on, up to 19. If you meant specific numbers or a particular context, please clarify!
Chat with our AI personalities
The set of prime numbers less than 20 = {2, 3, 5, 7, 11, 13, 17,19}
20 and 40
There are actually 8 prime numbers less than 20: 2, 3, 5, 7, 11, 13, 17, and 19
2 5 6
Three of them.