C = 44
The number halfway between two values is the average of those values. In this case, the average of 23 and 51 is (23 + 51) / 2 = 74 / 2 = 37. Therefore, the number halfway between 23 and 51 is 37.
Because 23 is a prime number, 21/23 is in its reduced form. You can make the fraction "un-reduced," so-to-speak, and multiply the numerator and the denominator by the same number. For example, multiply by 2/2 (which equals 1) so that the answer would be 42/46. 42/46 is an equivalent fraction to 21/23.
The number halfway between 13 and 21 can be found by taking the average of the two numbers. Add 13 and 21 together to get 34, then divide by 2 to get 17. Therefore, the number halfway between 13 and 21 is 17.
The prime number is 24
21, 23, 25, 27, 29
21 23 25 27 29
The smallest number that both 21 and 23 can go into is 483.
They are: 23 29 31 and 37 which makes four of them
23 is a prime number.
19 is a prime number. Its only factors are 1 and 19. 21 is a composite number. Its factors are 1, 3, 7, and 21. 23 is a prime number. Its only factors are 1 and 23.
21 is composite.
If you meant to ask what are the prime numbers between 21 and 53 inclusive, then it would be 23, 29, 31, 37, 41, 43, 47, 53
23
19, 20, 21, 22, 23
21
21