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What is the smallest prime factor of 1001?
A. 3
B. 5
C. 7
D. 11
E. 13
Now, 1001 is divisible by neither 3 nor 5.
So, let's try to divide by 7. We find 1001 / 7 = 143 = 13 x 11.
Since 1001 = 13 x 11 x 7, the smallest prime factor is 7.
 
 
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OmegaMoo
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Taken: 17 times
Added: 11/12/2008
Liked: 2 times
Taggged: Math, SAT
 
 
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