It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 38 842 509 is not a prime number.
For example, 38 842 509 can be divided by 3: 38 842 509 / 3 = 12 947 503.
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For 38 842 509 to be a prime number, it would have been required that 38 842 509 has only two divisors, i.e., itself and 1.
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38 842 509 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 38 842 509 is about 6 232.376.
Thus, the square root of 38 842 509 is not an integer, and therefore 38 842 509 is not a square number.
The square of a number (here 38 842 509) is the result of the product of this number (38 842 509) by itself (i.e., 38 842 509 × 38 842 509); the square of 38 842 509 is sometimes called "raising 38 842 509 to the power 2", or "38 842 509 squared".
The square of 38 842 509 is 1 508 740 505 415 081 because 38 842 509 × 38 842 509 = 38 842 5092 = 1 508 740 505 415 081.
As a consequence, 38 842 509 is the square root of 1 508 740 505 415 081.
38 842 509 is a number with 8 digits.
The multiples of 38 842 509 are all integers evenly divisible by 38 842 509, that is all numbers such that the remainder of the division by 38 842 509 is zero. There are infinitely many multiples of 38 842 509. The smallest multiples of 38 842 509 are: