68 Page

). Many mathematicians believe it is the last even number to have this exact property before higher numbers begin having three or more pairs. Because of its factorization (

It is known as the largest number that can be expressed as the sum of two primes in exactly two different ways (

1968 is famously remembered as a landmark year of global social and political turbulence, often referred to simply as "68".

While 69 often gets the attention, mathematicians and number theorists find 68 far more compelling for several reasons.