Q: What three prime factors are less than 12?

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30 does.

2 x 3 x 5 = 30

The square of any prime number has exactly three factors: 22, 32, 52, etc.

30 = 2 x 3 x 5 = 30

Prime numbers

Related questions

30 does.

They all are prime numbers except 1

27

By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.

How about 105 whose prime factors are 3, 5 and 7

30 (2 x 3 x 5) and 42 (2 x 3 x 7) are the only numbers less than 60 having three different prime factors.

30, 42, 66, 70 and 78.

105=3*5*7it has to be only three factors and they are all prime105

42 and its next three multiples.

4, 9, 25, and 49

105 is one such number.

2 x 3 x 5 = 30