Prime and composite numbers, factors and multiples | Baamboozle - Baamboozle

Prime and composite numbers, factors and multiples

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Is 15 prime or composite? Why?

Composite: 3 x 5 = 15

Is 17 prime or composite? Why?

Prime: It only has factors of 1 and itself.

Is 31 prime or composite? Why?

Prime: It only has factors of 1 and itself

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