First, she won $5.4 million, then a decade later, she won $2million, then two years later $3million and in the summer of 2010, she hit a $10million jackpot.

The odds of this has been calculated at one in eighteen septillion and luck like this could only come once every quadrillion years.

Harper's reporter Nathanial Rich recently wrote an article about Ms Ginther, which calls the the validity of her 'luck' into question.

First, he points out, Ms Ginther is a former math professor with a PhD from Stanford University specialising in statistics.

A professor at the Institute for the Study of Gambling & Commercial Gaming at the University of Nevada, Reno, told Mr Rich: 'When something this unlikely happens in a casino, you arrest ‘em first and ask questions later.'

Math pays.