Supercongruences arising from a 7 F 6 hypergeometric transformation formula

Abstract Using a F 6 7 {{}_{7}F_{6}} hypergeometric transformation formula, we prove two supercongruences. In particular, one of these supercongruences confirms a recent conjecture of Guo, Liu and Schlosser, and gives an extension of a supercongruence of Long and Ramakrishna.