Currently viewing the tag: "Factorisation"

Always Perfect

By On 16 January, 2012 · Leave a Comment

2 x 3 x 4 x 5 + 1 = 11 x 11

21 x 22 x 23 x 24 + 1 = 505 x 505

Pick your own four consecutive numbers, find their product and add one. Is your answer a perfect square?

Show that if you add 1 to the […]

Continue Reading →
Set your Twitter account name in your settings to use the TwitterBar Section.