It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 441 is not a prime number.
For example, 490 441 can be divided by 7: 490 441 / 7 = 70 063.
For 490 441 to be a prime number, it would have been required that 490 441 has only two divisors, i.e., itself and 1.
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490 441 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 490 441 is about 700.315.
Thus, the square root of 490 441 is not an integer, and therefore 490 441 is not a square number.
The square of a number (here 490 441) is the result of the product of this number (490 441) by itself (i.e., 490 441 × 490 441); the square of 490 441 is sometimes called "raising 490 441 to the power 2", or "490 441 squared".
The square of 490 441 is 240 532 374 481 because 490 441 × 490 441 = 490 4412 = 240 532 374 481.
As a consequence, 490 441 is the square root of 240 532 374 481.
The multiples of 490 441 are all integers evenly divisible by 490 441, that is all numbers such that the remainder of the division by 490 441 is zero. There are infinitely many multiples of 490 441. The smallest multiples of 490 441 are: