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3, 5, 9, 15, 25, 27, and 45 are some examples

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14y ago
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10y ago

That's an infinite list.

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12y ago

alot

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8y ago

25 and 49

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Q: What numbers have exactly 3 prime factors?
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Related questions

Numbers with exactly 3 factors?

Squares of prime numbers have exactly three factors.


What do say for numbers which have exactly 3 factors?

Numbers with exactly three factors are squares of prime numbers.


What numbers have exactly 3 factors?

All numbers that are the square of primes have exactly 3 factors.


What are all the numbers less than 100 with exactly 3 factors that are prime?

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


Numbers that have exactly 3 factors?

Prime squares


Numbers with 3 factors?

The squares of all prime numbers above 2 have exactly 3 factors.


What numbers with exactly 3 factors are?

A number has exactly three factors if and only if it is the square of a prime number.


Is 3 a prime or composite number why?

Oh, dude, 3 is a prime number because it can only be divided by 1 and itself. It's like the loner of the number world, only hanging out with 1 and 3. So yeah, 3 is definitely a prime number, no need to worry about it being a composite one.


What numbers have exactly 3 different prime factors?

There are an infinite number of them. 8 has three prime factors, 30 is the first with three distinct prime factors.


How is 3 a prime number?

3 is a prime number because it has exactly two factors which are whole numbers: itself and one. This is the definition of a prime.


What are some Numbers with exactly 3 factors?

Squares of prime numbers, like 4, 9 and 25.


3 numbers below 30 that have exactly 3 factors?

Prime squares have three factors. 4, 9, 25