How to Find a Prime Number in C++ | C++ Programming | Check Prime Number
Today I will teach you how to find prime numbers in C++. In this 3 min video, you will easily understand the smile logic of finding Prime numbers in c++, so let's start with the definition of Prime numbers.
Prime Definition:
A Prime number is a number, that is divisible only by itself, and 1, for example. 2, 3, 5, 7, 11.
Prime have only two factors, but the composite has more than that.
C++ Loops:
A for loop will run to integer times, with an initial value of i=1
for each time, if integer modulus eye, have 0 remainders, count, will be increment.
Subtitle:
Hello guys welcome to Ahmad Inc. Today I will show you how to find a prime number in C++
a prime number is a number that is divisible only by itself and one for example 2 3 5 7 and so on up to an infinite number
Initialize and READ integer
neither ZERO nor One are Prime numbers
a loop will run up to integer times, with an initial value of I is equal to one
for each time if integer modulus I have zero remainders, count will be increment thus count stores the number of factors
prime has two factors only and composite have more than that
now let's check 15 if it is a prime or a composite number composite one is not a prime number
three is a prime number
ZERO is not a Prime number let's review our C++ code again initialize and read integer
neither 0 nor 1 or prime numbers for each time if integer modulus I have 0 remainder count will be increment thus count stores the number of factors prime has two factors only and composite have more than that
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