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LiRa [457]
4 years ago
9

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

Mathematics
2 answers:
KonstantinChe [14]4 years ago
8 0
The answer is 11 thats the only one that is prime 

hope this helps


plz mark brainiest   plz plz
anzhelika [568]4 years ago
7 0
11 is a prime number because the only two factors of it are 1 and itself. 
Hope this helps!
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