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How many two-digit primes have both their digits non-prime?
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5 votes
How many two-digit primes have both their digits non-prime?

User Prongs
by
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1 Answer

2 votes

Answer:

89

Explanation:

8 is divisible by 4

And 9 is divisible by 3

User Charles Gueunet
by
5.4k points
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