First, determine the factors of 60 which are 1,2,3,4,5,6,10,12,15,20,30 and 60.
Next, determine the prime factors of 60 which are, 2,3 and 5 only.
Hence, your answer is ' No. 4 is not the prime factor of 60 although its a factor of 60. In addition, 4 is not even a prime number.