# Chebyshev formula

To estimate the number of primes less than x is used Chebyshev formula:

Estimate the number of primes less than 30300537.

Estimate the number of primes less than 30300537.

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- Sum of two primes

Christian Goldbach, a mathematician, found out that every even number greater than 2 can be expressed as a sum of two prime numbers. Write or express 2018 as a sum of two prime numbers. - Unknown number

Unknown number is divisible by exactly three different primes. When we compare these primes in ascending order, the following applies: • Difference first and second prime number is half the difference between the third and second prime numbers. • The produ - Primes 2

Which prime numbers is number 2025 divisible? - Numbers

Write smallest three-digit number, which in division 5 and 7 gives the rest 2. - Combinations

How many different combinations of two-digit number divisible by 4 arises from the digits 3, 5 and 7? - Amazing number

An amazing number is name for such even number, the decomposition product of prime numbers has exactly three not necessarily different factors and the sum of all its divisors is equal to twice that number. Find all amazing numbers. - Theorem prove

We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started? - Logarithm

Determine the number whose decimal logarithm is -3.8. - Trinity

How many different triads can be selected from the group 43 students? - Complex number coordinates

Which coordinates show the location of -2+3i - Apples 2

How many minimum apples are in the cart, if possible is completely divided into packages of 6, 14 and 21 apples? - Biketrial

Kamil was biketrial. Before hill he set the forward gear with 42 teeth and the back with 35 teeth. After how many exercises (rotation) of the front wheel both wheels reach the same position? - Logarithmic equation

Solve equation: log_{33}(3x + 21) = 0 - Intercept with axis

F(x)=log(x+4)-2, what is the x intercept - AS sequence

In an arithmetic sequence is given the difference d = -3 and a_{71}= 455. a) Determine the value of a_{62}b) Determine the sum of 71 members. - Log

if ?, what is b? - Seats

Seats in the sport hall are organized so that each subsequent row has five more seats. First has 10 seats. How many seats are: a) in the eighth row b) in the eighteenth row