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no if you multiply two primes for example 7x9=63 63 is not prime because 9 and 7 go into it
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When is the product of two numbers a prime number?
When one of the numbers is prime and the other is 1.
What number can be written as the product of two prime numbers?
A semiprime or a prime square.
Can every prime number be expressed as the product of two prime numbers?
None of them can.
What is the product of the largest single-digit prime number and the largest two-digit prime numbers?
679 is the product of the largest single-digit prime number and the largest two-digit prime number.
What is the product of two prime factors?
The product of two prime factors is the result of multiplying the two prime numbers together.
When is the product of two prime numbers not a prime number?
The product of any two numbers, neither of which is 1, is never a prime number.
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 a prime number?
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 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)
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 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.
When is the product of two numbers a prime number?
When one of the numbers is prime and the other is 1.
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.
Can each of the whole numbers between 1 and 50 be written as a product of two or more prime numbers?
Every composite number ... that is, one that is not a prime ... can be written as the product of two or more prime numbers. The primes themselves are the exceptions. A prime number is the product of only ' 1 ' and itself, and ' 1 ' is not considered a prime number.
Is 15 a number that is a product of exactly three different prime numbers?
No. 15 is the product of two prime numbers: 3 and 5
