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Check whether 5*7+7*3+3 is composite number and justify.
consider the expression 5 x 7 + 7 x 3 + 3.

It can be simplified as:

5 x 7 + 7 x 3 + 3 = 35 + 21 + 3 = 35 + 24 = 59

Now, the prime factors of 59 are:

59 = 1 x 59

Here, the number 59 has 1 and itself as factors.

Hence, the given expression doesn 't represents a composite number.


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