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OlympiadEasyNumber Theory5–6

How many numbers from $1$ to $30$ are divisible by $2$ and by $3$ at the same time?

Quantos números de $1$ a $30$ são divisíveis por $2$ e por $3$ ao mesmo tempo?

Answer options

Solution

Step 1 of 3

1.A number divisible by both $2$ and $3$ is divisible by $6$ .