It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 667 023 is not a prime number.
For example, 42 667 023 can be divided by 3: 42 667 023 / 3 = 14 222 341.
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For 42 667 023 to be a prime number, it would have been required that 42 667 023 has only two divisors, i.e., itself and 1.
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42 667 023 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 42 667 023 is about 6 532.000.
Thus, the square root of 42 667 023 is not an integer, and therefore 42 667 023 is not a square number.
The square of a number (here 42 667 023) is the result of the product of this number (42 667 023) by itself (i.e., 42 667 023 × 42 667 023); the square of 42 667 023 is sometimes called "raising 42 667 023 to the power 2", or "42 667 023 squared".
The square of 42 667 023 is 1 820 474 851 682 529 because 42 667 023 × 42 667 023 = 42 667 0232 = 1 820 474 851 682 529.
As a consequence, 42 667 023 is the square root of 1 820 474 851 682 529.
42 667 023 is a number with 8 digits.
The multiples of 42 667 023 are all integers evenly divisible by 42 667 023, that is all numbers such that the remainder of the division by 42 667 023 is zero. There are infinitely many multiples of 42 667 023. The smallest multiples of 42 667 023 are: