It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 737 378 is not a prime number.
For example, 490 737 378 can be divided by 2: 490 737 378 / 2 = 245 368 689.
For 490 737 378 to be a prime number, it would have been required that 490 737 378 has only two divisors, i.e., itself and 1.
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490 737 378 is an even number, because it is evenly divisible by 2: 490 737 378 / 2 = 245 368 689.
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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 490 737 378 is about 22 152.593.
Thus, the square root of 490 737 378 is not an integer, and therefore 490 737 378 is not a square number.
The square of a number (here 490 737 378) is the result of the product of this number (490 737 378) by itself (i.e., 490 737 378 × 490 737 378); the square of 490 737 378 is sometimes called "raising 490 737 378 to the power 2", or "490 737 378 squared".
The square of 490 737 378 is 240 823 174 166 314 880 because 490 737 378 × 490 737 378 = 490 737 3782 = 240 823 174 166 314 880.
As a consequence, 490 737 378 is the square root of 240 823 174 166 314 880.
490 737 378 is a number with 9 digits.
The multiples of 490 737 378 are all integers evenly divisible by 490 737 378, that is all numbers such that the remainder of the division by 490 737 378 is zero. There are infinitely many multiples of 490 737 378. The smallest multiples of 490 737 378 are: