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99. What is the greatest prime factor of 5,355?

A. 17
B. 51
C. 119
D. 131
E. 153

User J Grover
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1 Answer

3 votes
Hello,

5355 is divisble by 3 since 5+3+5+5=18 is divisible by 3
5355=3*1785
1785 is divisble by 3 since 1+7+8+5=21 is divisible by 3
1785=3*595
595 is not divisible by 3 but by 5
595=5*119
119 is divisible by 7 since 1*2+1*3+9*1=14 is divisible by 7.
119=7*17

17 is prime
Answer A



User Shahir Ansari
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8.1k points