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Q: Are all multiples of a prime number are prime numbers?

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All numbers are multiples.

no, because then they would be divisible by the number you multiplied it by.

All the numbers from 2 to 19 are multiples of prime numbers.

All but the number five are multiples of 5.

They are the composite numbers, products of primes and their multiples. All even numbers are composite, except the number two (2) which is prime.

All numbers are multiples.

There is only one even prime number: 2. All other even numbers are multiples of 2, and thus are not prime.

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

no

All multiples are composite numbers.

It can be. Since 13 is a prime number, it is relatively prime to all other numbers except for multiples of 13.

Lots of prime numbers have zeros in them. 101, 103, 107 and 109 are all prime numbers. Prime numbers can't end in zero. Numbers that end in zero are multiples of ten and have too many factors to be prime numbers.

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