It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 442 138 713 is not a prime number.
For example, 442 138 713 can be divided by 3: 442 138 713 / 3 = 147 379 571.
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For 442 138 713 to be a prime number, it would have been required that 442 138 713 has only two divisors, i.e., itself and 1.
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442 138 713 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 442 138 713 is about 21 027.095.
Thus, the square root of 442 138 713 is not an integer, and therefore 442 138 713 is not a square number.
The square of a number (here 442 138 713) is the result of the product of this number (442 138 713) by itself (i.e., 442 138 713 × 442 138 713); the square of 442 138 713 is sometimes called "raising 442 138 713 to the power 2", or "442 138 713 squared".
The square of 442 138 713 is 195 486 641 533 296 384 because 442 138 713 × 442 138 713 = 442 138 7132 = 195 486 641 533 296 384.
As a consequence, 442 138 713 is the square root of 195 486 641 533 296 384.
442 138 713 is a number with 9 digits.
The multiples of 442 138 713 are all integers evenly divisible by 442 138 713, that is all numbers such that the remainder of the division by 442 138 713 is zero. There are infinitely many multiples of 442 138 713. The smallest multiples of 442 138 713 are: