Prime Numbers
Numbers

# What number is both a prime number and a multiple of 3?

012

###### 2012-09-03 08:26:07

No number that is a multiple of 3, can be a Prime number.

A prime number must only be divisible by itself and 1. It cannot be divisible by any other number.

Therefore if it is a multiple of 3, then it must be divisible by 3 and hence, not a prime number.

๐
0
๐คจ
0
๐ฎ
0
๐
0

## Related Questions

Of course. There is 3. Remember, multiples of 3 can also be divided by 3, so the only prime number that is a multiple of 3 is 3.

Yes, 3 is a prime number. Any other multiple of 3 can't, because the only factors of a prime number are 1 and the number.

2 and 3 are prime numbers 48 is a multiple of.

21 is composite number that is a multiple of 3. 31 is a prime number.

One two digit number that is not prime and is not a multiple of 2, 3, or 5 is 49. Another such number is 91.

A prime multiple is when a number is expressed as the product of its prime factors as for example: 2*3*5*7 = 210

987 is a composite number that is a multiple of 3.

Any multiple of 3 will not be relatively prime to 9 because they will both have 3 as a common factor. Some of these numbers are 3, 6, 12, 39, 102, and 372.

36,201 is not a prime number because 3 is one of its factors. 3 is one of the factors of any number whose digits add up to 3 or a multiple of 3. The only prime number with 3 as one of its factors is the number 3.

Yes as for example it can be a multiple of 1 because 1*3 = 3

No.3 is less than 5, thus cannot be a multiple of it; 3 is prime, therefore cannot be a multiple of any number besides 3 (which is one of its factors); by definition, 3 is ismply not a multiple of any number but 1 and 3.

It's an odd number so it obviously can't be divided by 2. The sum of its digits (1+6+5) is a multiple of 3, so the number itself is a multiple of 3. So it's not prime.

1617 is not a prime number. The sum of its digits is a multiple of 3, so 3 is one of its factors. A prime number has exactly two factors, 1 and the number itself, so 1617 is a composite number.

The number is 42 or any multiple of 42. All of the qualifiers mean the same thing : the number is a multiple, of 2, 3, and 7. Using the Least Common Multiple: 2 is prime, power is 1 3 is prime, power is 1 7 is prime, power is 1 2 x 3 x 7 = 42

The answer is 9. It is a multiple of 3. 3+3+3=9. It is less than 20: 20-9=11.It is not a prime number. It is odd, and it is not a factor of 30. 30/9=3.3333333333

###### Prime NumbersFactoring and MultiplesMath and ArithmeticStatistics

Copyright ยฉ 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.