derek2013 derek2013
  • 26-01-2018
  • Mathematics
contestada

which of these numbers is a prime 1,11,21,51

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Mistystar4881
Mistystar4881 Mistystar4881
  • 26-01-2018
11 is a prime number because the only two factors of it are 1 and itself. 
Hope this helps!
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arie01
arie01 arie01
  • 26-01-2018
the answer is 11 thats the only one that is prime 

hope this helps


plz mark brainiest   plz plz
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