31 37 41 43 47
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Prime number are number which have exactly two distinct factors, 1 and itself. Odd primes less than 30 are: 3, 5, 7, 11, 13, 17, 19, 23 and 29.
31, 37, 41, 43, 47.
They are: 31 37 41 43 and 47
31 37 41 43 47