It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 67 471 is not a prime number.
For example, 67 471 can be divided by 109: 67 471 / 109 = 619.
For 67 471 to be a prime number, it would have been required that 67 471 has only two divisors, i.e., itself and 1.
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67 471 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 67 471 is about 259.752.
Thus, the square root of 67 471 is not an integer, and therefore 67 471 is not a square number.
The square of a number (here 67 471) is the result of the product of this number (67 471) by itself (i.e., 67 471 × 67 471); the square of 67 471 is sometimes called "raising 67 471 to the power 2", or "67 471 squared".
The square of 67 471 is 4 552 335 841 because 67 471 × 67 471 = 67 4712 = 4 552 335 841.
As a consequence, 67 471 is the square root of 4 552 335 841.
The multiples of 67 471 are all integers evenly divisible by 67 471, that is all numbers such that the remainder of the division by 67 471 is zero. There are infinitely many multiples of 67 471. The smallest multiples of 67 471 are: