It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 72 675 742 is not a prime number.
For example, 72 675 742 can be divided by 2: 72 675 742 / 2 = 36 337 871.
For 72 675 742 to be a prime number, it would have been required that 72 675 742 has only two divisors, i.e., itself and 1.
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72 675 742 is an even number, because it is evenly divisible by 2: 72 675 742 / 2 = 36 337 871.
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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 72 675 742 is about 8 525.007.
Thus, the square root of 72 675 742 is not an integer, and therefore 72 675 742 is not a square number.
The square of a number (here 72 675 742) is the result of the product of this number (72 675 742) by itself (i.e., 72 675 742 × 72 675 742); the square of 72 675 742 is sometimes called "raising 72 675 742 to the power 2", or "72 675 742 squared".
The square of 72 675 742 is 5 281 763 475 250 564 because 72 675 742 × 72 675 742 = 72 675 7422 = 5 281 763 475 250 564.
As a consequence, 72 675 742 is the square root of 5 281 763 475 250 564.
72 675 742 is a number with 8 digits.
The multiples of 72 675 742 are all integers evenly divisible by 72 675 742, that is all numbers such that the remainder of the division by 72 675 742 is zero. There are infinitely many multiples of 72 675 742. The smallest multiples of 72 675 742 are: