It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 137 is not a prime number.
For example, 490 137 can be divided by 3: 490 137 / 3 = 163 379.
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For 490 137 to be a prime number, it would have been required that 490 137 has only two divisors, i.e., itself and 1.
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490 137 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 490 137 is about 700.098.
Thus, the square root of 490 137 is not an integer, and therefore 490 137 is not a square number.
The square of a number (here 490 137) is the result of the product of this number (490 137) by itself (i.e., 490 137 × 490 137); the square of 490 137 is sometimes called "raising 490 137 to the power 2", or "490 137 squared".
The square of 490 137 is 240 234 278 769 because 490 137 × 490 137 = 490 1372 = 240 234 278 769.
As a consequence, 490 137 is the square root of 240 234 278 769.
The multiples of 490 137 are all integers evenly divisible by 490 137, that is all numbers such that the remainder of the division by 490 137 is zero. There are infinitely many multiples of 490 137. The smallest multiples of 490 137 are: