Question

Phân tích các số sau ra thừa số nguyên tố:

a) 32;

b) 175;

c) 120;

d) 2020.

Answer 1

`a, 32 = 2^5`

`b, 175 = 5^2 xx 7`

`c, 120 = 2^3 xx 3 xx 5`

`d, 2020 = 2^2 xx 5 xx 101`.

Answer 2

`32 = 2^5`

___________________

`175 = 5^2 . 7`

___________________

`120 = 2^3 . 3 . 5`

___________________

`2020 = 2^2 . 5 . 101`

Answer 3

a) 32 = 2⁵

b) 175 = 5².7

c) 120 = 2³.3.5

d) 2020 = 2².5 .101