Explain why 3×5×7+7 is composite number.
Answers
Answered by
3
here
3*5*7+7
=7(3*5+1
=7(15+1)
As it has factor other than 1 and itself (i.e. 7)
Gene or is Composite no.
3*5*7+7
=7(3*5+1
=7(15+1)
As it has factor other than 1 and itself (i.e. 7)
Gene or is Composite no.
palakhvadera:
If you taken out 7 is common so how came (15+7)
Answered by
4
7(3 * 5 * 1 + 1)
7 is common in both
∴ its a composit no
hope it helps :)
7 is common in both
∴ its a composit no
hope it helps :)
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