Explain why 3*5*7*+7 is a composit number
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3 x 5 x 7 + 7 = 7(3 x 5 x 1 + 1)
= 7x 16
= 7 x 2 x 2 x 2 x 2
since the number can be expressed as the product of primes, hence it is a composite number
= 7x 16
= 7 x 2 x 2 x 2 x 2
since the number can be expressed as the product of primes, hence it is a composite number
Answered by
0
3*5*7+7
(3*5+1)7
16*7
2*2*2*2*7
Composite numbers are the ones which can be expressed as the product of primes .so it is a composite number
(3*5+1)7
16*7
2*2*2*2*7
Composite numbers are the ones which can be expressed as the product of primes .so it is a composite number
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