No positive integer less than 19 has more factors than 28 does.
39 more than the product of 5 and 28 is 5*28+39 = 179
28
Answer41
28
28
28
16 + 12 = 28
200
57 x 63 + 28 = 3619
We know that 28 is a composite number because:It is an even numberIt is divisible by more than 2 numbers
28 is a composite number because it can be divided by more numbers than it's self and one.