Prove 2?3?5?13?17+13 IS A composite number
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if a no. is expressed as product of two no. it is called composite.
in 2?3?5?13?17 has 13 as common no.
so, 2?3?5?13?17+13=
13(2?3?5?17+1)
as it expressed as product of two no. it is composite.
in 2?3?5?13?17 has 13 as common no.
so, 2?3?5?13?17+13=
13(2?3?5?17+1)
as it expressed as product of two no. it is composite.
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