It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 413 397 is not a prime number.
For example, 240 413 397 can be divided by 3: 240 413 397 / 3 = 80 137 799.
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For 240 413 397 to be a prime number, it would have been required that 240 413 397 has only two divisors, i.e., itself and 1.
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240 413 397 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 240 413 397 is about 15 505.270.
Thus, the square root of 240 413 397 is not an integer, and therefore 240 413 397 is not a square number.
The square of a number (here 240 413 397) is the result of the product of this number (240 413 397) by itself (i.e., 240 413 397 × 240 413 397); the square of 240 413 397 is sometimes called "raising 240 413 397 to the power 2", or "240 413 397 squared".
The square of 240 413 397 is 57 798 601 457 079 608 because 240 413 397 × 240 413 397 = 240 413 3972 = 57 798 601 457 079 608.
As a consequence, 240 413 397 is the square root of 57 798 601 457 079 608.
240 413 397 is a number with 9 digits.
The multiples of 240 413 397 are all integers evenly divisible by 240 413 397, that is all numbers such that the remainder of the division by 240 413 397 is zero. There are infinitely many multiples of 240 413 397. The smallest multiples of 240 413 397 are: