Category:Number of form 28000...0007 is Divisible by 7

This category contains pages concerning Number of form $28000 \ldots 0007$ is Divisible by $7$:

Let $x$ be a natural number in the form:

$\sqbrk {28 \underbrace {000 \cdots 0}_n 7}_{10}$

Then $x$ is divisible by $7$.