Question

explain 5×4×3×2×1+3 is a composite number

Answer 1

 5*4*3*2*1+3 is equal to 123 
123 is a composite number as its can be divided by 1,3,41,123.
composite numbers are those numbers which can be divided by other numbers along with 1 and the number itself.

Answer 2

Heyaa...

☆☆☆☆☆☆☆☆☆☆☆☆☆☆

$ COMPOSITE NUMBER :

The number that has factors other than 1 and itself.

☆☆☆☆☆☆☆☆☆☆☆☆☆☆

5 × 4 × 3 × 2 × 1 + 3

Taking 3 common, we get,

3 ( 5 × 4 × 1 × 2 × 1 + 1 )

3 ( 40 + 1 )

3 ( 41 )

Therefore.. it is a product of two numbers and the numbers are other than one...

Hence it is proved that it is a composite number..

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Hope it helps...

And here CutieBarbie :)