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Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no Prime number can end in 5.

After 5, all prime numbers end in 1, 3, 7 or 9.

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Q: What number's cant a prime number end in why?
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Why can a prime number not have 0 in it?

Lots of prime numbers have zeros in them. 101, 103, 107 and 109 are all prime numbers. Prime numbers can't end in zero. Numbers that end in zero are multiples of ten and have too many factors to be prime numbers.


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What is the number 114 a prime or composite number?

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How many prime numbers end in 2?

Two is the only prime number that ends in "2"


What 2 prime numbers add to make 1.32?

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What prime numbers end in a 2 or 5?

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If 7 is the last number in a prime factorization does it end?

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