Digitally delicate prime numbers become composite with this one weird trick. Math researchers proved these primes exist using the bucket proof method. There are no known examples so far, but ...

Mathematicians have revealed a new category of “digitally delicate” prime numbers. These infinitely long primes turn back to composites faster than Cinderella at midnight with a change of any ...

Moderator, "Face the Nation with Margaret Brennan;" Chief foreign affairs correspondent Margaret Brennan is moderator of "Face the Nation with Margaret Brennan" on CBS. Based in Washington, D.C., ...