A prime, or Prime number, is a number greater than 1, whose only factors are 1 and itself.
For example, the first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, ... (note: the set of prime numbers is infinite).
As you can see, all prime numbers except 2 are odd. Further examples:
9 is not a prime number, since it is divisible by 3.
15 is not a prime number, it is divisible by 3.
25 is not a prime number, since it is divisible by 5.
A prime, or prime number, is a number greater than 1, whose only factors are 1 and itself.
For example, the first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, ... (note: the set of prime numbers is infinite).
As you can see, all prime numbers except 2 are odd. Further examples:
9 is not a prime number, since it is divisible by 3.
15 is not a prime number, it is divisible by 3.
25 is not a prime number, since it is divisible by 5.
A prime, or prime number, is a number greater than 1, whose only factors are 1 and itself.
For example, the first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, ... (note: the set of prime numbers is infinite).
As you can see, all prime numbers except 2 are odd. Further examples:
9 is not a prime number, since it is divisible by 3.
15 is not a prime number, it is divisible by 3.
25 is not a prime number, since it is divisible by 5.
A prime, or prime number, is a number greater than 1, whose only factors are 1 and itself.
For example, the first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, ... (note: the set of prime numbers is infinite).
As you can see, all prime numbers except 2 are odd. Further examples:
9 is not a prime number, since it is divisible by 3.
15 is not a prime number, it is divisible by 3.
25 is not a prime number, since it is divisible by 5.
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A prime, or prime number, is a number greater than 1, whose only factors are 1 and itself.
For example, the first few prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, ... (note: the set of prime numbers is infinite).
As you can see, all prime numbers except 2 are odd. Further examples:
9 is not a prime number, since it is divisible by 3.
15 is not a prime number, it is divisible by 3.
25 is not a prime number, since it is divisible by 5.
You can use prime numbers to factorize numbers, a very useful tool
A math teacher is the job that uses prime and composite numbers.
it helps by improveing math skills.
the prime factorization
The math teacher taught the students about prime numbers.