K2

K2 (Urdu: کے ٹو‬‎), also known as Mount Godwin-Austen or Chhogori (Balti and Urdu: چھوغوری‬‎), at 8,611 metres (28,251 ft) above sea level, is the second highest mountain in the world, after Mount Everest at 8,848 metres (29,029 ft). It is located on the China--Pakistan border between Baltistan in the Gilgit-Baltistan region of northern Pakistan, and the Taxkorgan Tajik Autonomous County of Xinjiang, China. K2 is the highest point of the Karakoram range and the highest point in both Pakistan and Xinjiang.

Question: is k2 the highest mountain in the world
Answer: no