Mathematicians have discovered a surprising pattern in the expression of prime numbers, revealing a previously unknown “bias” to researchers. Primes, as you’ll hopefully remember from fourth ...

Let’s break that down a bit. The square brackets ⌊ and ⌋ indicate that you should round down the value inside them. So, for example, ⌊ 1.7 ⌋ = 1 and ⌊ 1.12111167545 ⌋ = 1.

NEARLY FIFTEEN HUNDRED MILLIONS OF PEOPLE--AN AVERAGE DENSITY OF ABOUT 28 PERSONS TO ONE SQUARE MILE OF LAND. ... and the area of the land surface they calculate to be 51,340,800 square miles, ...

Prime numbers are only divisible by themselves and one. Robert Brook via Getty Images. In the 17th century, French monk and mathematician Marin Mersenne developed a method to find prime numbers ...

Prime numbers have a remainder of either 1 or 2 when divided by 3 (except for 3 itself), so you might guess that half the primes up to N have a remainder of 1 and half have a remainder of 2. That ...

The largest known prime number has been discovered by an amateur researcher and former Nvidia employee. The new number is 2 136,279,841 – 1, which beats the previous title holder (2 82,589,933 ...