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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.
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Earn +20 ptsQ: What number is both a prime number and a multiple of 3?
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Is there a prime number that is a multiple of 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.
Is 21 and 31 a prime number?
21 is composite number that is a multiple of 3. 31 is a prime number.
Is 321 a prime number?
No, it's a multiple of 3
What is a prime multiple?
A prime multiple is when a number is expressed as the product of its prime factors as for example: 2*3*5*7 = 210
Is 987 a prime number?
987 is a composite number that is a multiple of 3.
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