Question

Explain
why
7X11X
13
+
13
and
7X6x5x4
&
3x2
x
175
are composite number​

Answer 1

composite number has more than 2 factors therefore:-

7×11×13+1313×(7×11×1+1)×1

now since it has more than two factors that is 13, 7×11×1+1, 1 it is a composite number

also,

7×6×5×45×(7×6×1×4)×1

(you can take any number as common)

similarly,3×2×1753×(1×2×175)×1

(can take any number as common)

here in all these question there are more than two factors.

therefore all of them are composite number

please mark me as BRAINLIEST.