23+29 = 52
17
148
It is 75.
17 and 3 are two prime numbers whose sum is 20. Their product is 51.
-20
It is 1.
The prime numbers between 4 and 20 are 5, 7, 11, 13, 17 and 19. Their sum is 72.
To find the sum of all prime numbers between 20 and 40, we first list out the prime numbers in that range: 23, 29, 31, 37. Then, we simply add them together: 23 + 29 + 31 + 37 = 120. Therefore, the sum of all prime numbers between 20 and 40 is 120.
23+29 = 52
17
26
The sum of -5 and 20 is 15. The distance between -5 and 20 is 25. The sum of the numbers between -5 and 20 is 180. The sum of the numbers from -5 to 20 is 195.
148
It is 75.
3 + 17 = 20
They are: 2+7+11 = 20