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Números Primos y Eratóstenes

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Quiz sobre primos, compuestos y la criba

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Mexico

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Números Primos y Eratóstenes
 

Números Primos y EratóstenesOnline version

Quiz sobre primos, compuestos y la criba

by HANNAH JAQUELINE HUCHIN BACAB
1

¿Qué define a un número primo?

2

¿Qué caracteriza a un número compuesto?

3

¿Qué es un múltiplo de un número?

4

¿Cuál es el primer número primo?

5

¿Es 1 un número primo?

6

¿Qué describe la Criba de Eratóstenes?

7

¿Es 97 un número primo?

8

¿Es 83 primo?

9

¿Qué es 7×4?

10

¿Cuál de estos no es primo? (elige 1)

Explicación

Un primo solo tiene dos divisores: él mismo y 1.

Los números compuestos tienen al menos un divisor distinto de 1 y de sí mismos.

Multiplicar un número natural por otro da su múltiplo.

El 2 es el primer primo; el 1 no se considera primo.

Por definición, 1 no es primo.

Criba: elimina múltiplos para quedarse con los primos.

83, 89 y 97 están entre los primos listados.

83 está en la lista de primos dada.

El producto de 7 y 4 es 28.

El 1 no es primo; 2 y 3 son primos; 4 no es primo también.

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