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Q: Are all the multiples of 3 prime numbers?

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3. All other multiples of 3 are not prime.

There are no prime numbers as all multiples of 6 are divisible by 2, 3, and 6

There prime numbers

2, 3, and 5 are all prime numbers and that is the only set of prime numbers that multiples to 180.

Since all 3 are prime numbers LCM = 3 * 5 * 7 = 105 All multiples of 105 are multiples of 3, 5 and 7

no take 3 for example. 3 6 9 3 x 3= 9 so that's composite.

Numbers can't be divided by multiples. They get divided by factors. Factors go into numbers, numbers go into multiples.

prime numbers can only be multiples of 1 and itself. perhaps 3 is just the number you want.

Multiples of 6.

Since both 3 and 5 are prime numbers, only numbers that are multiples of its product are the numbers that are divisible by both. 15 is the LCM of 3 and 5 and hence all multiples of 15 are divisible by both 3 and 5

Yes, all prime numbers over 3 are either of the form 6n - 1 or 6n + 1.

37 is a prime number. All the other numbers in the list are multiples of 3.

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