13 of them.
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That would be equal to the sum of all positive integers less than 1000 minus the sum of all positive multiples of three that are less than 1000. That would be equal to: (1000 + 1) * (1000 / 2) - 3 * (333 + 1) * (333 / 2) = 1001 * 500 - 1000 * 166.5 = 500500 - 166500 = 334000
8, 16, 24, 32, 40, 48.
The highest multiple of 9 that's less than 1,000 is 999. It's the 111th multiple.No multiples of 9 are less than 5, so all of the 111 count.There are 111 of them.
There are 168 prime numbers less than 1,000.
168 are.