The GCF of 510 and 816 is 102.
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The GCF is 3.
To find the greatest common factor (GCF) of two numbers, you need to determine the largest number that divides evenly into both numbers. To find the GCF of 510 and 2430, you can first list the factors of each number. The factors of 510 are 1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, and 510. The factors of 2430 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, and 2430. The greatest common factor of 510 and 2430 is 30.
17% off of $510 = $423.30 = 17% discount applied to 170 = $510 - (17% * $510) = $510 - (0.17 * $510 ) = $510 - 86.7 = $423.30
30% of 510= 30% * 510= 0.3 * 510= 153
510