Q: What are the last two prime numbers before 30?

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There cannot be the last two prime numbers because there are an infinite number of them.

There are no two "last" composite numbers. Just as with prime numbers, and all numbers, they go on for ever and ever and ever and ever ... ... .

It is impossible for the product of two prime numbers to be prime. It is impossible for the sum of two prime numbers to be prime as long as one of the numbers isn't 2.

No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.

The GCF of two prime numbers is 1.

Any two prime numbers.

The product of two prime numbers will be composite.

Any two prime numbers will be relatively prime. Numbers are relatively prime if they do not have any prime factors in common. Prime numbers have only themselves as prime factors, so all prime numbers are relatively prime to the others.

Prime numbers have two factors, composite numbers have more than two.

There are no such two prime numbers, as 167 is a prime number itself.

You can't write that as the sum of two prime numbers. Note: Goldbach's Conjecture (for expressing numbers as the sum of two prime numbers) applies to EVEN numbers.

Prime numbers only have two factors, one and themselves. If you multiply two prime numbers together, the new number will also have the two prime numbers as factors, making it composite. Try it out. 5 and 7 are prime. 35 is composite.

No. Two numbers are relatively prime if they have no prime factors in common. Two even numbers will have 2 as a prime factor in common.

Any two different prime numbers are relatively prime because relatively prime numbers are sets of two or more numbers having 1 as their greatest common factor.

The numbers are CO-prime, but not necessarily prime numbers: think of 3 and 4....

5

5

Any two prime numbers are relatively be prime?

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

Mutliplied two prime numbers to get 400?

There are 21 two-digit prime numbers.

which two multiples of 13 are co-prime numbers

The least common multiple of two different prime numbers is the product of those two prime numbers.

No two prime numbers satisfy that request.

The only two prime numbers for which this can be the case are 2 and 5 - since one of the prime numbers has to be even.

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