check whether 5×3×11+11and 5×7+7×3 are composite number and justify
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a number which has more than two factors are called composite numbers..
so
11(5×3×1+1)
11×16
11×2×8
so it has more than two factors they are called composite numvers
same as
7(5×1+1×3)
7×16
7×2×8
so its also has more than two factors so this is also a composite numbers....
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