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You may find the exact number somewhere else, but a rough approximation is that up to a number "n", about one of every ln(n) numbers is a Prime number. ln() is the natural logarithm (logarithm to the base "e"); in this case, for numbers up to 2 million, you would expect approximate one out of every 14 numbers to be a prime.
More information in the Wikipedia article on "prime counting function".
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Earn +20 ptsQ: How many primes are there less than 2 million?
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How many primes are less than 1000?
There are 168 prime numbers less than 1,000.
How many twin primes less than 100?
eight (8)
How many even primes are there less than 100?
The only even prime number is... 2 !
What is the sum of the two largest primes less than 60?
59 and 53 are the two largest primes less than 60. 59+53 = 112
How many positive integers less than 2101 are divisible by atleast one of the primes?
Except for 1, all of them.
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