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If you multiply 2 prime numbers. the result will never be prime.

A Prime number is one that has no factors except itself and one. The number specified in the question has as factors the 2 prime numbers cited.

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7y ago

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What are numbers that are not prime?

A number that is not a prime number is called a composite number because it can be made by multiplying prime numbers together. For example, 6 is a composite number that is the product of multiplying the prime numbers 2 and 3 together.


Is the product of 2 prime numbers always even?

Both 3 and 5 are prime numbers. 3 x 5 = 15


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 the product of two prime factors?

a composite number seems a reasonable answer.


Will every key created by multiplying two prime numbers together have this number of factors?

Every product of two prime numbers has four factors.


What prime numbers equal 500 by multiplying?

As a product of its prime factors: 2*2*5*5*5 = 500


What numbers can you use to get 70 by multiplying?

As a product of its prime factors: 2*5*7 = 70


Can two numbers have the same prime factorization?

No, multiplying a set of numbers can only come out as one product. Therefore, two numbers having the same prime factorization is impossible.


Is the product always the least common multiple of the numbers?

No, only if the numbers are relatively prime.


What numbers cant you make by multiplying prime numbers?

prime numbers


Are all composite numbers the product of two prime number?

No not always because composite numbers can be the product of 2 or more prime factors


Is the product of two prime numbers is always composite?

Yes, it is always. Assume temporarily that the product of two prime numbers is not always composite. This implies that that at least one product of prime numbers is also prime. Now, say two different prime numbers p and q, when multiplied, equal r. If r is a prime number, then r's only positive factors are 1 and r. But 1 is not a prime number. This contradicts that both p and q are prime (because either p or q MUST be 1). Therefore, the product of two prime numbers is always composite.