The factors of 80 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80
The factors of 840 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
The common factors of 80 and 840 are: 1, 2, 4, 5, 8, 10, 20, 40
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120 and 7 will go into 120
Oh, isn't that a happy little math problem! Let's paint a picture with numbers. 40 goes into 840 twenty-one times, and into 440 eleven times. Just like adding colors to a canvas, math can be a joyful experience when we take it one step at a time.
840
7*5*4*3*2 Is the longest factor string of 840
99% of 840= 99% * 840= 0.99 * 840= 831.6