explain why 7×11×13+13 and7×6×5×4×3×2×1+5 are composite number..?please help I m giving boards this time
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Answer:
7×11×13+13
=13×(7×11+1)
=13×78
=13×2×3×13
7×6×5×4×3×2×1+5
=5(7×6×4×3×2+1)
=5×909
=5×3×3×101
As both the numbers can be expressed as the product of primes, they are composite numbers.
Answered by
1
Answer:
This number is multiple of two integers. Hence it has more than two factors. Hence it is a composite number.
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