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There are no prime numbers with three factors. By definition, a Prime number has exactly two factors - 1 and itself.

Q: What are five prime numbers that have three factors and what are their similarities?

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Squares of prime numbers have only three factors.

Prime numbers have two factors. Prime squares have three factors. Square numbers have an odd number of factors but that number varies.

Prime numbers have two factors. 2, 3 and 5 are prime numbers.

Three. The prime numbers (factors) of 120 are: 2,3,5

Three. The prime numbers (factors) of 60 are: 2,3,5

Squares of prime numbers have exactly three factors.

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

56 does not have only three prime factors.

Numbers with exactly three factors are squares of prime numbers.

They don't. 21 has two prime factors. 42 has three prime factors.

That's an infinite list. Numbers with three factors are the squares of prime numbers.

squares of prime numbers