It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 802 is not a prime number.
For example, 742 802 can be divided by 2: 742 802 / 2 = 371 401.
For 742 802 to be a prime number, it would have been required that 742 802 has only two divisors, i.e., itself and 1.
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742 802 is an even number, because it is evenly divisible by 2: 742 802 / 2 = 371 401.
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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 742 802 is about 861.860.
Thus, the square root of 742 802 is not an integer, and therefore 742 802 is not a square number.
The square of a number (here 742 802) is the result of the product of this number (742 802) by itself (i.e., 742 802 × 742 802); the square of 742 802 is sometimes called "raising 742 802 to the power 2", or "742 802 squared".
The square of 742 802 is 551 754 811 204 because 742 802 × 742 802 = 742 8022 = 551 754 811 204.
As a consequence, 742 802 is the square root of 551 754 811 204.
The multiples of 742 802 are all integers evenly divisible by 742 802, that is all numbers such that the remainder of the division by 742 802 is zero. There are infinitely many multiples of 742 802. The smallest multiples of 742 802 are: