SOLUTION: How many of the prime numbers below 100 have the sum of their digits equal to 15?

Question 877585: How many of the prime numbers below 100 have
the sum of their digits equal to 15?

Found 2 solutions by richard1234, Shai:
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
None, 15 is divisible by 3
Answer by Shai(25) (Show Source): You can put this solution on YOUR website!
there are 4,
69,96,87,78
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