Write all the prime numbers between 15 and 25.
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prime number from 15 to 25
To find all the prime numbers between 15 and 25, we need to check each number in this range individually and determine if it is prime or not.
First, let's list the numbers between 15 and 25:
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25
To determine if a number is prime, we need to check if it is divisible by any number other than 1 and itself. We can start by dividing each number by each integer less than its square root.
Let's go through each number between 15 and 25 to check if it is prime:
15 is divisible by 3 and 5, so it is not prime.
16 can be divided evenly by 2, 4, and 8, so it is not prime.
17 is only divisible by 1 and itself, so it is prime.
18 is divisible by 2, 3, 6, and 9, so it is not prime.
19 is only divisible by 1 and itself, so it is prime.
20 is divisible by 2, 4, 5, and 10, so it is not prime.
21 is divisible by 3 and 7, so it is not prime.
22 is divisible by 2 and 11, so it is not prime.
23 is only divisible by 1 and itself, so it is prime.
24 is divisible by 2, 3, 4, 6, 8, and 12, so it is not prime.
25 is divisible by 5, so it is not prime.
Therefore, the prime numbers between 15 and 25 are 17, 19, and 23.