Anything more or less than 1 would result in a different outcome, and anything times 1 results in itself.
There would be 1. ;
The value of '?' in the equation '? \times 6,273 = 6,273' must be 1 because multiplying any number by 1 does not change its value. Therefore, only 1 keeps the equation true. Any other number would result in a different product.
;