Question

Máximo común divisor de 80,120 y 420

Answer 1

80 | 2
40 | 2
20 | 2
10 | 2
5 | 5
1 |

120 | 2
60 | 2
30 | 2
15 | 3
5 | 5
1 |

420| 2
210 | 2
105 | 3
35 | 5
7 | 7
1

Factores primos 80 = 2 × 2 × 2 × 2 ×5
Factores primos 120 =2 × 2 × 2 × 3 ×5
Factores primos 420 = 2× 2 × 3 ×5 ×7

MCD 80, 120 y 420 = 2 × 2 × 5 = 20