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MATH / Let N be the units digit of the number 21420N. Which nonzero value of N makes this number divisible by 6?

Problem

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problem

Let NN be the units digit of the number 21420N21420N. Which nonzero value of NN makes this number divisible by 66?
Plain-text mathematical notation (without MathML)
Let N be the units digit of the number 21420N. Which nonzero value of N makes this number divisible by 6?
Original LaTeX notation
Let $N$ be the units digit of the number $21420N$. Which nonzero value of $N$ makes this number divisible by $6$?

level

Level 2

type

Prealgebra

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