No.
The composite numbers between 20 and 25 are 21, 22, and 24. 23 is the only prime number between 20 and 25.
There are 8 prime numbers (2, 3, 5, 7, 11, 13, 17, 19) between 1 and 20, the rest are comp. P(prime then comp) = (8/20) * (11/20) = .22 There is a 22% chance you will draw a prime number followed by a composite number. ...maybe...
The prime number is 24
22 and 24 theoretically.
21 = 3x7 ... not prime. 22 = 2x11 ... not prime. 23 is prime. 23.
2 and 5
The number halfway between 18 and 22 can be found by taking the average of the two numbers. Adding 18 and 22 together gives us 40, and dividing by 2 gives us 20. Therefore, the number halfway between 18 and 22 is 20.
The prime number about 22 is 23. 23 is a prime number because it has no factors except for 23 and itself.
A number is prime if its ONLY factors are 1 and the number that you are testing. 22 has factors of 22 & 1, as well as 2 & 11. By the way, 2 is the only even prime number.
A prime number is a number which can only be divided by one or the number itself. The number 22 can be divided by one, two, eleven and 22. Thus, it is NOT a prime number
It is: 22*5 = 20
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30