Maximum number doublings recalled by a kid
The record for recalling the maximum number of number doublings was set by Mohammad Rayyan (born on January 28, 2020) of Karimnagar, Telangana. He recalled 22 number doublings from the number 2 to 8388608 in 2 minutes and 8 seconds, at the age of 5 years, 8 months and 14 days, as confirmed on October 11, 2025.
