It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 50 005 013 is not a prime number.
For example, 50 005 013 can be divided by 23: 50 005 013 / 23 = 2 174 131.
For 50 005 013 to be a prime number, it would have been required that 50 005 013 has only two divisors, i.e., itself and 1.
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50 005 013 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 50 005 013 is about 7 071.422.
Thus, the square root of 50 005 013 is not an integer, and therefore 50 005 013 is not a square number.
The square of a number (here 50 005 013) is the result of the product of this number (50 005 013) by itself (i.e., 50 005 013 × 50 005 013); the square of 50 005 013 is sometimes called "raising 50 005 013 to the power 2", or "50 005 013 squared".
The square of 50 005 013 is 2 500 501 325 130 169 because 50 005 013 × 50 005 013 = 50 005 0132 = 2 500 501 325 130 169.
As a consequence, 50 005 013 is the square root of 2 500 501 325 130 169.
50 005 013 is a number with 8 digits.
The multiples of 50 005 013 are all integers evenly divisible by 50 005 013, that is all numbers such that the remainder of the division by 50 005 013 is zero. There are infinitely many multiples of 50 005 013. The smallest multiples of 50 005 013 are: