Factoring a number means to break it up into numbers that can be multiplied together to get the original number.
Factors of 60 are : 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Assuming that Hugh wrote all the factors from 1 to 60.
So, none of the options is Hugh's list. Option 1 is wrong.
Option 2 has 2 and 60 missing
Option 3 is wrong as 7 and 14 are not factor of 60.
Option 4 has 30 missing.
