It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 898 742 is not a prime number.
For example, 898 742 can be divided by 2: 898 742 / 2 = 449 371.
For 898 742 to be a prime number, it would have been required that 898 742 has only two divisors, i.e., itself and 1.
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898 742 is an even number, because it is evenly divisible by 2: 898 742 / 2 = 449 371.
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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 898 742 is about 948.020.
Thus, the square root of 898 742 is not an integer, and therefore 898 742 is not a square number.
The square of a number (here 898 742) is the result of the product of this number (898 742) by itself (i.e., 898 742 × 898 742); the square of 898 742 is sometimes called "raising 898 742 to the power 2", or "898 742 squared".
The square of 898 742 is 807 737 182 564 because 898 742 × 898 742 = 898 7422 = 807 737 182 564.
As a consequence, 898 742 is the square root of 807 737 182 564.
The multiples of 898 742 are all integers evenly divisible by 898 742, that is all numbers such that the remainder of the division by 898 742 is zero. There are infinitely many multiples of 898 742. The smallest multiples of 898 742 are: