It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 37 426 is not a prime number.
For example, 37 426 can be divided by 2: 37 426 / 2 = 18 713.
For 37 426 to be a prime number, it would have been required that 37 426 has only two divisors, i.e., itself and 1.
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37 426 is an even number, because it is evenly divisible by 2: 37 426 / 2 = 18 713.
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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 37 426 is about 193.458.
Thus, the square root of 37 426 is not an integer, and therefore 37 426 is not a square number.
The square of a number (here 37 426) is the result of the product of this number (37 426) by itself (i.e., 37 426 × 37 426); the square of 37 426 is sometimes called "raising 37 426 to the power 2", or "37 426 squared".
The square of 37 426 is 1 400 705 476 because 37 426 × 37 426 = 37 4262 = 1 400 705 476.
As a consequence, 37 426 is the square root of 1 400 705 476.
The multiples of 37 426 are all integers evenly divisible by 37 426, that is all numbers such that the remainder of the division by 37 426 is zero. There are infinitely many multiples of 37 426. The smallest multiples of 37 426 are: