# The Number Devil: Prima Donna Numbers

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The Number Devil: Prima Donna Numbers
The Number Devil Prima Donna Numbers Prima- donna numbers is another name for prime numbers. Prima- donna numbers/ prime numbers can only be divided evenly by one and itself. In The Number Devil, the Number Devil does the prima-donna numbers from 0 to 50. I created a chart, just like in the number devil and figured out which ones are prima-donna numbers. The number 0 does not count because if you divide a number by 0 the answer will always be 0.
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50

There are 15 prima-donna numbers and 35 non prima-donna numbers. The prima-donna numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 41, 43, and 47. In the orange box extension on page 64 the Number Devil talks about how you can find prima-donna numbers that when added together can equal other numbers. The numbers can be even numbers. They do not have to be odd like the prima-donna numbers. The number that you choose just has to be bigger than 5. The example from the book of this is, 55= 5 +19+31. I think this is cool because it was kind of fun trying to figure out which prima-donna numbers would sum up to the numbers that I chose. Below are my chosen numbers with the prima-donna numbers that sum up to them.
59 = 47 + 7 + 5
79 = 3 + 29 + 47
100 = 3 + 47 + 13 +17 +13 + 7
52 = 47 +41 + 7
91 = 43 + 41 + 7
47 = 11 +17 + 19
96 = 5 + 11 +37 + 43
22 = 3 + 19
78 = 5 + 13 + 29 +31
108 = 47 + 43 + 13 +5
142 = 11 + 41 + 47 +

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