It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 167 036 421 is not a prime number.
For example, 167 036 421 can be divided by 3: 167 036 421 / 3 = 55 678 807.
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For 167 036 421 to be a prime number, it would have been required that 167 036 421 has only two divisors, i.e., itself and 1.
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167 036 421 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 167 036 421 is about 12 924.257.
Thus, the square root of 167 036 421 is not an integer, and therefore 167 036 421 is not a square number.
The square of a number (here 167 036 421) is the result of the product of this number (167 036 421) by itself (i.e., 167 036 421 × 167 036 421); the square of 167 036 421 is sometimes called "raising 167 036 421 to the power 2", or "167 036 421 squared".
The square of 167 036 421 is 27 901 165 940 489 240 because 167 036 421 × 167 036 421 = 167 036 4212 = 27 901 165 940 489 240.
As a consequence, 167 036 421 is the square root of 27 901 165 940 489 240.
167 036 421 is a number with 9 digits.
The multiples of 167 036 421 are all integers evenly divisible by 167 036 421, that is all numbers such that the remainder of the division by 167 036 421 is zero. There are infinitely many multiples of 167 036 421. The smallest multiples of 167 036 421 are: