No.
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6 is not a factor of 45.
48, 54, 60
do this: | 45 6 what divides into them both? _______ 3 | 45 6 now divide --------- 15 2 can they be divided by a common factor? no so now times all the numbers outside 3 times 15 times 2 = 90 90 = LCM of 45 and 6 Trevor, Teacher www.secondteacher.com
In a maths sense, a factor usually means "a number that divides evenly into another number, resulting in an integer". I.e when a number is divided by a factor of itself, there are no "remainders" or any decimal places that are non-zero. For example, 2 is a factor of 12, since 12 can be divided by 2, 6 times. (Other factors include 3, 4, and 6) And 5 is a factor of 45, since 45 can be divided by 5, 9 times. But 2 is not a factor of 45, since dividing 45 by two would result in a "remainder" of 1 or a decimal place of .5.
Yes, 3 is a factor of 45 because 45 is divisible by 3. 45 = 3 x 15 + 0.