Optical Illusion Challenge: Only HD eyes can find 3 among 8’s in 3 seconds!
Readers with HD eyes can find the number 3 hidden among the 8’s in 3 seconds. Are you one of them? Test your observation skills now!
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Man spent $2 million to find new largest prime number
While these begin relatively simply with the number 3 (2 2-1), they quickly climb to giant numbers that ... In this case, however, Durant’s Mersenne prime number find may provide a very clear example ...