Find the least number that is divisible by all the numbers 1 to 10 (both inclusive).
Question
Find the least number that is divisible by all the numbers 1 to 10 (both inclusive).
Solution
Para encontrar el menor número que sea divisible por todos los números del 1 al 10 (ambos inclusive), debemos calcular el mínimo común múltiplo (MCM) de estos números. Aquí están los pasos:
-
Descomposición en factores primos:
- 1: No tiene factores primos.
- 2:
- 3:
- 4:
- 5:
- 6:
- 7:
- 8:
- 9:
- 10:
-
Seleccionar los factores primos con los mayores exponentes:
- Para el número 2, el mayor exponente es (de 8).
- Para el número 3, el mayor exponente es (de 9).
- Para el número 5, el mayor exponente es (de 5 y 10).
- Para el número 7, el mayor exponente es (de 7).
-
Calcular el MCM:
- Multiplicamos estos factores primos con sus mayores exponentes:
-
Realizar las multiplicaciones:
- Primero, calculamos .
- Luego, .
- Multiplicamos .
- Multiplicamos .
- Finalmente, multiplicamos .
Por lo tanto, el menor número que es divisible por todos los números del 1 al 10 es 2520.
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