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Q: What numbers have only one prime factor?

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Since prime numbers only have one prime factor (themselves), factor trees are unnecessary.

Each prime number only has two factors: one and itself. The only factor any set of prime numbers has in common is 1.

64 has only one prime factor and it is 2

There is no possible answer since 32 has only one prime factor.

Because prime numbers only have one factor pair.

Related questions

All prime numbers only have one prime factor.

Prime numbers have one distinct prime factor.

Since prime numbers only have one prime factor (themselves), factor trees are unnecessary.

All prime numbers only have two factors, one and themselves.

Each prime number only has two factors: one and itself. The only factor any set of prime numbers has in common is 1.

64 has only one prime factor and it is 2

By definition, all prime numbers have exactly two factors. There is not a prime number that has only one factor.

Because they only have one factor pair.

Since prime numbers only have one prime factor (themselves), they don't have prime factorizations.

16 has only one prime factor, and that is 2.

64 has only one prime factor which is 2.

64 has only one prime factor and it is 2

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