Q: Are all the multiples of 3 prime numbers?

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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.

There prime numbers

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

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.

Related questions

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

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

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

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

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

There prime numbers

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

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

Multiples of 6.

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.