It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 142 829 is not a prime number.
For example, 142 829 can be divided by 233: 142 829 / 233 = 613.
For 142 829 to be a prime number, it would have been required that 142 829 has only two divisors, i.e., itself and 1.
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142 829 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 142 829 is about 377.927.
Thus, the square root of 142 829 is not an integer, and therefore 142 829 is not a square number.
The square of a number (here 142 829) is the result of the product of this number (142 829) by itself (i.e., 142 829 × 142 829); the square of 142 829 is sometimes called "raising 142 829 to the power 2", or "142 829 squared".
The square of 142 829 is 20 400 123 241 because 142 829 × 142 829 = 142 8292 = 20 400 123 241.
As a consequence, 142 829 is the square root of 20 400 123 241.
The multiples of 142 829 are all integers evenly divisible by 142 829, that is all numbers such that the remainder of the division by 142 829 is zero. There are infinitely many multiples of 142 829. The smallest multiples of 142 829 are: