How many prime factors does 120 have? Prealgebra Factors and Multiples Prime Factorization 1 Answer Steve M Mar 9, 2018 #120# has three prime factors Explanation: # 120 = 12 xx 10 # # \ \ \ \ \ = 3 xx 4 xx 2 xx 5 # # \ \ \ \ \ = 3 xx 2 xx 2 xx 2 xx 5 # # \ \ \ \ \ = 2^3 xx 3 xx 5 #, all of which are prime So, there are three prime factors Answer link Related questions What is the prime factorization of 828? What is the prime factorization of 26? What is the prime factorization of 84? What is the prime factorization of 38? What is the prime factorization of 90? How do you use prime factorization? How do you make a prime factorization tree? How do you find the prime factorization of 20? How do you find prime factorization of a number? What is the prime factorization of 44? See all questions in Prime Factorization Impact of this question 5387 views around the world You can reuse this answer Creative Commons License