2 and 5
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Two and five!
2 and 5 are the only prime numbers that ends with 2 or 5.
No. If they end in 4, they are even numbers and divisible by 2, and therefore are not prime.
2 and 5 are the only ones, so one each.
The only prime number ending in a 2 or 5 is the number two itself. All others are composite.