How will you show that 3*5*7+7 is a composite number...Explain
chetan96:
no
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Answered by
1
=3*5*7+7
=7(3*5+1)
which shoes that there exist a common factor 7
hence it is a composite no
=7(3*5+1)
which shoes that there exist a common factor 7
hence it is a composite no
Answered by
3
3*5*7+7
=7(3*5+1)
=7(15+1)
=7×16
=7×2×2×2×2
since it has more than 2 prime factors in its factorization.
therefore, it is a composite number...
hope it helpzzz ☺️
=7(3*5+1)
=7(15+1)
=7×16
=7×2×2×2×2
since it has more than 2 prime factors in its factorization.
therefore, it is a composite number...
hope it helpzzz ☺️
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