Which is not a factor of 72? 1,9,24,144
2 answers:
first you need to know what a factor is > a factor is a whole number that fits to another whole number
lets try 72
72/1 = 72
72/9 = 8
72/24 = 3
72/144 =0.5
the all fit perfectly except for 144
<u>summary</u>
a factor is a number when divided or multiplied by another number the result is an integer
144 cannot be a factor of 72 since it is bigger than 72
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