Tasks for your students to work on.

Involving making up the draw and organising the venues.

Predicting the results!

It is 

(2^82,589,933 – 1)( 2^82,589,932)

The formula for PERFECT numbers is P = (2n– 1)( 2n-1) providing  

(2ⁿ– 1) is a prime.

The last digit of the largest known PERFECT number

should be 1 x 6 = 6.        It is!! All PERFECT numbers end is 6 or 8.

It was confirmed on December 21st, 2018. 

The number is

2^82,589,933 - 1

2^82,589,933 is not a prime number.

It is an even number because all the 2’s are multiplied together.

The last digit of 2^82,589,933 is 2.

The new prime number is 2^82,589,933- 1.

So the last digit of the new largest prime number is 2-1 = 1

The new Maths Digest has just been published on www.mathsdigest.net

It has well over 1000 pages and is over 648Mb in size.

Worksheet Downloads:

Just added 09 Aug 2019: Beatrice Tinsley, New Zealand mathematician.	753 kB
Just added 10 Feb 2020: 120 pages of new teaching lessons and investigations!	97 kB