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Answered 2010-01-21 13:03:15

The first four prime numbers are 2, 3, 5, and 7. The product of these numbers is 210.

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Noelito Detecio

2021-02-09 16:03:02

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Answered 2017-03-14 19:01:45

210

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Noelito Detecio

2021-02-09 16:03:25

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Why should all the numbers be prime or composite?

Not all numbers are either prime or composite. The number 1/2 is neither prime nor composite. If you are referring only to the natural or counting numbers, note that every natural number is equal to the product of itself and 1 so each number has at least one divisor, itself. If it has no more divisors, then it is prime. If it has more than itself as a divisor, then it is composite.


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What is product of primes for 74?

Assuming you are referring to the prime factors of the number, the product of the prime factors of any composite number is equal to the number itself.


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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.


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What is the product of all whole numbers except zero that are less than or equal to a number?

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