The number of prime numbers less than ten thousand with digits that have a sum of 2 or 3 is?
The number of prime numbers less than ten thousand with digits that have a sum of 2 or 3 is
a)4 b)3 c) 6 d) 5 e) 2
4. They are:
prime sum_of_digits
2 2
3 3
11 2
101 2
Ans d) 5
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4. They are:
prime sum_of_digits
2 2
3 3
11 2
101 2
References :
It has to b d because that is the only number which equals 2+3.
References :
d)
3+2
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