Prime time number

This just in from CIO Today:

“A team of researchers at Central Missouri State University has discovered the largest known prime number, university officials said Tuesday.”

“The team programmed 700 university computers to run the program years ago. In mid-December, researchers found the world’s largest prime number, known as M30402457. That’s the same as 2 to the 30,402,457th power minus one, a number that is 9.1 million digits long.”

I’ll be upfront with you and confess that I’m no mathmetician. Nevertheless (or maybe because of that fact), I’m astounded that researchers have found a prime number that’s more than 9 million digits long!

It’s baffling to me how no other number besides 1 and itself could divide a number that long. Unbelievable.

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