
Curios:
Curios Search:
Participate: 
GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 576 = sigma(5*7*6). Note that 576 is the first multidigit number with this property. [Firoozbakht] A square equal to (2 + 3 + 5 + 7 + 11)^{2}  (2^{2} + 3^{2} + 5^{2} + 7^{2} + 11^{2}). It's the only such case for all primes < 2,000,000,000. [Trotter and De Geest]
Prime Curios! © 20002019 (all rights
reserved)
privacy statement
(This page was generated in 0.0208 seconds.)
