100. The first nine prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, and 23.
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2, 3, and 13 are all prime numbers and their sum is equal to 18.
The sum of the cubes of the first 100 whole numbers is 25,502,500.
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 = 81
The two numbers are 9 and 8
19 & 17