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What number's cant a prime number end in why?
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.
What are all the prime numbers that end with a 7?
no
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.
Why are 5 and 2 the only prime numbers that end in a 5 or a 2?
All numbers larger than 5 which end in 5 are divisible by 5 and so are not prime. All numbers larger than 2 which end in 2 are divisible by 2 and so are not prime.
Is 6480 prime to 2?
6480 is NOT a Prime Number.#Reason it is a multiple of '2'. Remember the only even prime number is '2' All other prime numbers are odd numbers. Even numbers end in 0,2,4,6,8 Odd numbers end in 1,3,5,7,9
