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15 November, 02:56

Find the GCF of 170 and 210

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Answers (2)
  1. 15 November, 05:04
    0
    It's easiest to make a factor tree for these kind of questions.

    The factor break-down of 170 is 2x5x17, and the factor break-down of 210 is 3x7x2x5.

    You multiply all unique factors (only count repeating factors once)

    3 x 7 x 17 x 5 x 2 = 3570

    Your answer is 3,570.
  2. 15 November, 06:11
    0
    The GCF of 170 and 210 is 10
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