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The product of any two numbers, neither of which is 1, is never a Prime number.

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βˆ™ 2012-01-21 17:10:16
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Q: When is the product of two prime numbers not a prime number?
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Related questions

When is product of 2 prime numbers a prime number?

The product of two prime numbers is always a composite number, and it never is a prime number.


What is a product of prime numbers?

A composite number is the product of two or more prime numbers.


Could the product of two prime numbers be a prime number?

No.


Is the product of 2 numbers a prime number?

The product of two numbers could be either a composite number or a prime number. If one of those numbers is 1 and the other is a prime number, the result is that prime number. If neither number is 1, the product of the two numbers will be a composite number. If one of those numbers is 1 and the other is not a prime number, the product will not be a prime number. So, in most cases, it will be a composite number.


Is a product of two prime numbers a prime number?

No - because its factors include each of the two prime numbers.


Is the product of two prime numbers not a prime number?

The product of two prime numbers can never be another prime number, the numbers that you multiplied are factors of the product. (example, 9 times 5 is 45, 9 and 5 go into 45)


When is the product of two numbers a prime number?

When one of the numbers is prime and the other is 1.


What is the product of the greatest and least two-digit prime numbers?

The greatest two-digit prime number is 97. The lowest two-digit prime number is 11. The product of the two numbers is equal to 1067.


Is the product of two prime numbers composite or prime?

The product of two prime numbers will be composite.


Can every prime number be expressed as the product of two prime numbers?

None of them can.


What number can be written as the product of two prime numbers?

A semiprime or a prime square.


What are the two prime numbers that the product is an even number?

There are an infinite amount of such numbers.

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