It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 148 313 is not a prime number.
For example, 148 313 can be divided by 11: 148 313 / 11 = 13 483.
For 148 313 to be a prime number, it would have been required that 148 313 has only two divisors, i.e., itself and 1.
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148 313 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 148 313 is about 385.114.
Thus, the square root of 148 313 is not an integer, and therefore 148 313 is not a square number.
The square of a number (here 148 313) is the result of the product of this number (148 313) by itself (i.e., 148 313 × 148 313); the square of 148 313 is sometimes called "raising 148 313 to the power 2", or "148 313 squared".
The square of 148 313 is 21 996 745 969 because 148 313 × 148 313 = 148 3132 = 21 996 745 969.
As a consequence, 148 313 is the square root of 21 996 745 969.
The multiples of 148 313 are all integers evenly divisible by 148 313, that is all numbers such that the remainder of the division by 148 313 is zero. There are infinitely many multiples of 148 313. The smallest multiples of 148 313 are: