Respuesta :
We can factor out a 10, which is 2 × 5. We are left with 21. This is 3 × 7. The prime factorization of 210 is 2 × 3 × 5 × 7.

[tex]210|2\\105|5\\.\ 21|3\\.\ \ 7|7\\.\ \ 1|\\\\210=2\cdot3\cdot5\cdot7[/tex]