It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 265 613 is not a prime number.
For example, 42 265 613 can be divided by 13: 42 265 613 / 13 = 3 251 201.
For 42 265 613 to be a prime number, it would have been required that 42 265 613 has only two divisors, i.e., itself and 1.
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42 265 613 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 42 265 613 is about 6 501.201.
Thus, the square root of 42 265 613 is not an integer, and therefore 42 265 613 is not a square number.
The square of a number (here 42 265 613) is the result of the product of this number (42 265 613) by itself (i.e., 42 265 613 × 42 265 613); the square of 42 265 613 is sometimes called "raising 42 265 613 to the power 2", or "42 265 613 squared".
The square of 42 265 613 is 1 786 382 042 265 769 because 42 265 613 × 42 265 613 = 42 265 6132 = 1 786 382 042 265 769.
As a consequence, 42 265 613 is the square root of 1 786 382 042 265 769.
42 265 613 is a number with 8 digits.
The multiples of 42 265 613 are all integers evenly divisible by 42 265 613, that is all numbers such that the remainder of the division by 42 265 613 is zero. There are infinitely many multiples of 42 265 613. The smallest multiples of 42 265 613 are: