It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 442 379 is not a prime number.
For example, 442 379 can be divided by 7: 442 379 / 7 = 63 197.
For 442 379 to be a prime number, it would have been required that 442 379 has only two divisors, i.e., itself and 1.
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442 379 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 442 379 is about 665.116.
Thus, the square root of 442 379 is not an integer, and therefore 442 379 is not a square number.
The square of a number (here 442 379) is the result of the product of this number (442 379) by itself (i.e., 442 379 × 442 379); the square of 442 379 is sometimes called "raising 442 379 to the power 2", or "442 379 squared".
The square of 442 379 is 195 699 179 641 because 442 379 × 442 379 = 442 3792 = 195 699 179 641.
As a consequence, 442 379 is the square root of 195 699 179 641.
The multiples of 442 379 are all integers evenly divisible by 442 379, that is all numbers such that the remainder of the division by 442 379 is zero. There are infinitely many multiples of 442 379. The smallest multiples of 442 379 are: