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3 years ago

12

Why is 15 not a prime number

2 answers:

masya89 [10]3 years ago

8 0

Answer:

Because

Step-by-step explanation:

It goes into 1,3,5 and 15

A prime number only goes into 1 and itself

olga nikolaevna [1]3 years ago

7 0

Answer:

Because you can split it

Step-by-step explanation:

Like 15:5=3.

15:3=5

A prime number can't be splitted.

17 is a prime number.

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