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Q: Is it possible for a multiple of 13 greater then 13 to be a prime number?

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Prime numbers only have two factors. A multiple of any number greater than one would have more than two.

No multiple of 86 is in that range. 43 is a prime number that is a factor of 86.

There are a lot of possibilities. The seventh square number is 49. 5 times 5 times any other prime number will be greater than 49. 5 times any pair of prime numbers seven or greater will also satisfy the conditions.

No even number greater than 2 is a prime, and 3640 is an even number.

If the GCF of two numbers is 1, their LCM will be their product. Such numbers are called relatively prime, or co-prime. Any two prime numbers (like 3 and 5) will be that way, but the numbers don't have to be prime (like 4 and 9).

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Because if they were even they would be a multiple of 2 and thus not prime.

Usually it's 1, unless the composite number is a multiple of the prime number. Then, it's the prime number.

There is an infinite number of prime numbers. It is not possible to list them.

15 is one possible answer.

Multiples of 2 are all even numbers, but no even number greater than 2 is a prime number. 2 divided by 1 is 2, a prime number.

Not all (5 is prime) but every multiple of 5 greater than 5 is composite because they have more than two factors. Every multiple of any integer greater than one is composite.

No, you can easily see that this is an even number, so it is a multiple of 2.2 IS A PRIME NUMBER!!Any number that is a multiple of a prime number is NOT a prime.

No. A notable exception is the set of prime numbers.

567

Prime numbers have only two factors. Multiples of any number greater than one have more than two.

There is not a multiple of 7 that is prime.

No, it is not possible. Every multiple of 21 is a composite number. 21 is a composite number and its factors are 1, 3, 7 and 21(4 factors). Any multiple of 21 must have all the factors of 21. So, every multiple of 21 has at least 4 factors. And a prime number has only two factors so, any multiple of 21 can't be prime.