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A number will have 12 factors if it satisfies any of the following prime factor configurations:

P11

(P1)5*(P2)

(P1)3*(P2)2

(P1)2*(P2)*(P3)

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13y ago
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11y ago

1, 3, 5 and 15

15 is composite.

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Wiki User

9y ago

The factors of 12 are: 1, 2, 3, 4, 6, 12.

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Q: What are the factors and composite factors of 15?
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