It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 491 629 is not a prime number.
For example, 491 629 can be divided by 31: 491 629 / 31 = 15 859.
For 491 629 to be a prime number, it would have been required that 491 629 has only two divisors, i.e., itself and 1.
Find out more:
491 629 is an odd number, because it is not evenly divisible by 2.
Find out more:
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 491 629 is about 701.163.
Thus, the square root of 491 629 is not an integer, and therefore 491 629 is not a square number.
The square of a number (here 491 629) is the result of the product of this number (491 629) by itself (i.e., 491 629 × 491 629); the square of 491 629 is sometimes called "raising 491 629 to the power 2", or "491 629 squared".
The square of 491 629 is 241 699 073 641 because 491 629 × 491 629 = 491 6292 = 241 699 073 641.
As a consequence, 491 629 is the square root of 241 699 073 641.
The multiples of 491 629 are all integers evenly divisible by 491 629, that is all numbers such that the remainder of the division by 491 629 is zero. There are infinitely many multiples of 491 629. The smallest multiples of 491 629 are: