The cell divides into two cells during the M (mitotic) stage of the cell cycle.
During the M stage of the cell cycle, the cell divides into two cells.
During the cell cycle, the cell undergoes different phases which are G1 (Gap 1), S (Synthesis), G2 (Gap 2), and M (Mitosis). The cell division, where one cell divides into two cells, occurs during the M phase (Mitosis). This is the stage where the replicated DNA is evenly divided between the two daughter cells. Therefore, the answer to your question is M.