Divide a rectangle with a length of 3479 mm and a width of 2499 mm into several identical squares. The side length of the square is required to be an integer number of millimeters. How many squares can it be divided into at least?
将长3479毫米，宽2499毫米的长方形分成若干个相同的正方形，要求正方形的边长为整数毫米，最少能分成多少个正方形？
<gadget id="calculator">1 * 1</gadget>
<output>1</output>

<gadget id="calculator">2_499 / 1</gadget>
<output>2_499</output>

<gadget id="calculator">3_479 * 2_499</gadget>
<output>8_694_021</output>

<result>8_694_021</result>