Question

5. Can the product of two prime numbers be prime? If yes, then give an example.
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Answer 1

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No.

The multiplication of two prime numbers becomes a 'semiprime'. ... If only two smaller primes are used, even if square of only one, then the new number is called 'semiprime'. Examples of semiprime: 6, 9, 21, 49, 139(13*13), 161(23*7)

Answer 2

Answer:

The multiplication of two prime numbers becomes a semiprime

Step-by-step explanation:

example: 5*3=15(not prime)

2*3=6(not prime)

17*19=323(not prime)