It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 667 is not a prime number.
For example, 120 667 can be divided by 67: 120 667 / 67 = 1 801.
For 120 667 to be a prime number, it would have been required that 120 667 has only two divisors, i.e., itself and 1.
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120 667 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 120 667 is about 347.372.
Thus, the square root of 120 667 is not an integer, and therefore 120 667 is not a square number.
The square of a number (here 120 667) is the result of the product of this number (120 667) by itself (i.e., 120 667 × 120 667); the square of 120 667 is sometimes called "raising 120 667 to the power 2", or "120 667 squared".
The square of 120 667 is 14 560 524 889 because 120 667 × 120 667 = 120 6672 = 14 560 524 889.
As a consequence, 120 667 is the square root of 14 560 524 889.
The multiples of 120 667 are all integers evenly divisible by 120 667, that is all numbers such that the remainder of the division by 120 667 is zero. There are infinitely many multiples of 120 667. The smallest multiples of 120 667 are: