It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 72 509 362 is not a prime number.
For example, 72 509 362 can be divided by 2: 72 509 362 / 2 = 36 254 681.
For 72 509 362 to be a prime number, it would have been required that 72 509 362 has only two divisors, i.e., itself and 1.
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72 509 362 is an even number, because it is evenly divisible by 2: 72 509 362 / 2 = 36 254 681.
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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 72 509 362 is about 8 515.243.
Thus, the square root of 72 509 362 is not an integer, and therefore 72 509 362 is not a square number.
The square of a number (here 72 509 362) is the result of the product of this number (72 509 362) by itself (i.e., 72 509 362 × 72 509 362); the square of 72 509 362 is sometimes called "raising 72 509 362 to the power 2", or "72 509 362 squared".
The square of 72 509 362 is 5 257 607 577 647 044 because 72 509 362 × 72 509 362 = 72 509 3622 = 5 257 607 577 647 044.
As a consequence, 72 509 362 is the square root of 5 257 607 577 647 044.
72 509 362 is a number with 8 digits.
The multiples of 72 509 362 are all integers evenly divisible by 72 509 362, that is all numbers such that the remainder of the division by 72 509 362 is zero. There are infinitely many multiples of 72 509 362. The smallest multiples of 72 509 362 are: