It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 437 491 is not a prime number.
For example, 437 491 can be divided by 401: 437 491 / 401 = 1 091.
For 437 491 to be a prime number, it would have been required that 437 491 has only two divisors, i.e., itself and 1.
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437 491 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 437 491 is about 661.431.
Thus, the square root of 437 491 is not an integer, and therefore 437 491 is not a square number.
The square of a number (here 437 491) is the result of the product of this number (437 491) by itself (i.e., 437 491 × 437 491); the square of 437 491 is sometimes called "raising 437 491 to the power 2", or "437 491 squared".
The square of 437 491 is 191 398 375 081 because 437 491 × 437 491 = 437 4912 = 191 398 375 081.
As a consequence, 437 491 is the square root of 191 398 375 081.
The multiples of 437 491 are all integers evenly divisible by 437 491, that is all numbers such that the remainder of the division by 437 491 is zero. There are infinitely many multiples of 437 491. The smallest multiples of 437 491 are: