A report in June 2009 said that Japanese researchers had used the T2K open supercomputer
to calculate the value of pi out to 2.5 trilliondecimal places.
Believe that or don't, as you prefer. Either way probably won't make a whole lot of difference
in your daily life.
Chao Lu (China) memorised the number Pi to 67,890 digits in 2005. The number of digits that the world record holder has memorised in total would be nearly impossible to know.
The world record in 1995 was 42,195 digits. It has since been improved to 67,890 digits.
K
The Guinness World Record holder for memorizing the most digits of pi is Rajveer Meena from India, who memorized 70,000 decimal places.
In 2005, Lu Chao of China set a world record by memorising the first 67,890 digits of Pi
a shitter
The record for memorizing digits of pi, certified by Guinness World Records, is 67,890 digits, recited in China by Lu Chao in 24 hours and 4 minutes on 20 November 2005.
Daniel Paul Tammet
In 2005, Lu Chao of China set a world record by reciting the first 67,890 digits of pi from memory.
The world record (as of 21st April 2012) was set by Chao Lu of China on the 20th November 2005. He managed to memorize pi to 67,890 digits.
According to www.pi-world-ranking-list.com, the record is held by Chao Lu of China; 67,890 digits on 20-11-2005. Pretty good. Additionally, I believe Daniel Tammet still has the European record at over 22,000. Curious how hard it is to memorize a 'few' digits? Take a look at the pi challenge game at cow-pi.com (shameless plug) to see how you stack up against these guys. -Ada
3.1415926535897932384626433832795028841971693993751 058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491Pi digits up to 500. =)7