Is Mia correct?
17, 37 ,and 47 ,end in 7 and are prime numbers,
SO 57 and 67 must also be prime numbers.???
pelase tell.....
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Yes 17,37,47, 67 are prime numbers but 57 is not a prime number.
The all numbers which having 7 in last are not prime number. Ex=77,27, 87 are not prime number.
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