Prime Numbers
Prime Number
A natural number
different from 1 that does not have any divisor other than 1 and 
.Composite number
A natural number that is neither 1 nor a prime number.
A composite number can be decomposed as a unique product of prime numbers.
The powers of the prime factors
of 
are:
(satisfying
)
Twin prime numbers (unsolved)
There are infinite combinations such as
of prime numbers that differ by 2.
Goldbach's conjecture (unsolved)
Every even number greater than 2 can be expressed as a sum of 2 prime numbers.
Distribution of prime numbers
Definition
number of prime numbers that do not exceed 
Properties
If
is sufficiently large,then
[0]Top