Prime numbers, whole numbers greater than one with only two factors (one and themselves), are fundamental in mathematics. They serve as building blocks for all other whole numbers, a concept known as ...

Ryanair’s low uptake for Prime underscores the limits of paid perks in a no-frills model, and shows that even the world’s most disciplined airlines can miscalculate demand. Ryanair has pulled the plug ...

Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, mathematicians have wondered if the prime numbers are truly random, or if ...

In early September, the online retail giant announced it would be ending its Prime Invitee Program that allowed Prime users to share their free shipping benefits with people who don’t share their home ...

WASHINGTON — Starting Wednesday, Oct. 1, Amazon is ending a program that allowed Prime members to share their free shipping benefits with people outside their household. In an update to its customer ...