How do you write the prime factorization of 87? Prealgebra Factors and Multiples Prime Factorization 1 Answer Alan P. Nov 26, 2016 #87= color(green)(3xx29)# Explanation: #89# is not divisible by#2#, so we need to try the next prime: #3# #89div3 = 29# #29# is not divisible by #3#, so we need to try the next prime: #5# #29# is not divisible by #5#, so we need to try the next prime: #7# ...but #7^2# is greater than #29#, so no other factors are possible. The only prime factors of #89# are #3# and #29# 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 1875 views around the world You can reuse this answer Creative Commons License