Question 1200841
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Answer: 735


Reason:
35 is a multiple of 7 (since 7*5 = 35)
The same goes for 735  (because 700+35 = 735; both 700 and 35 are multiples of 7).


735 is a multiple of 5 because it ends in 5.


735 is a multiple of 3 because the digits add to 7+3+5 = 15 which is a multiple of 3.


The prime factorization is
735 = 3*5*7^2
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