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Earn +20 ptsQ: How many positive integers less than 20 are prime?
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Continue Learning about Math & Arithmetic
How many positive integers are less then 50?
49
How many positive integers less than 1000 are not divisible by 3?
666 integers.
How many positive integers less than 2010 have an odd number of factors?
There are 44 positive integers less than 2,010 that have an odd number of factors.
How many prime numbers are they and what are they?
Prime numbers are positive integers that only have two factors. In theory, there is an infinite amount of them.
How many positive integers less than 1000 are divisible by 7 and are not divisible by 11?
There are 130 positive integers less than 1,000 that are divisible by seven but not divisible by 11
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