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no! a prime number is a number that can only be divided by itself and 1 (by 2 numbers)and 1 can only be divided by itself (by 1 number)
4 is the only number which is divisible by only itself, 1 and 2.
A prime number is one that can only be divided by 1 and itself. 419 can only be divided by 1 and itself, therefore it is a prime number.
It just only mean that the number can be divided by itself and any number divided to itself is equivalent to 1.
A prime number.