Explain why 3*5*7+7 is a composite number
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Answered by
12
A composite number is a number which isn't prime, I. e, it has factors.
2*5*7+7=7(3*5+1)=7(15+1)
It obviously has 7 as a factor and thus is composite.
2*5*7+7=7(3*5+1)=7(15+1)
It obviously has 7 as a factor and thus is composite.
Answered by
3
3×5×7+7 has 4 factors
1
3×5×1+1
3×5×7+7
7
That is why it is a composite number.
HOPE THIS HELPS YOU............
:)
1
3×5×1+1
3×5×7+7
7
That is why it is a composite number.
HOPE THIS HELPS YOU............
:)
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