It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 377 is not a prime number.
For example, 490 377 can be divided by 3: 490 377 / 3 = 163 459.
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For 490 377 to be a prime number, it would have been required that 490 377 has only two divisors, i.e., itself and 1.
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490 377 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 490 377 is about 700.269.
Thus, the square root of 490 377 is not an integer, and therefore 490 377 is not a square number.
The square of a number (here 490 377) is the result of the product of this number (490 377) by itself (i.e., 490 377 × 490 377); the square of 490 377 is sometimes called "raising 490 377 to the power 2", or "490 377 squared".
The square of 490 377 is 240 469 602 129 because 490 377 × 490 377 = 490 3772 = 240 469 602 129.
As a consequence, 490 377 is the square root of 240 469 602 129.
The multiples of 490 377 are all integers evenly divisible by 490 377, that is all numbers such that the remainder of the division by 490 377 is zero. There are infinitely many multiples of 490 377. The smallest multiples of 490 377 are: