1.題目
What is the greatest number of prime factors(not necessarily all different) that a three-digit number can have?
2.題解
這道題說的是一個三位數(shù)最多能有多少個質(zhì)因數(shù)(可以重復(fù))?
既然可以重復(fù),那么我們就挑最小的質(zhì)數(shù)2.
2的9次方是512,所以答案是9.
What is the greatest number of prime factors(not necessarily all different) that a three-digit number can have?
這道題說的是一個三位數(shù)最多能有多少個質(zhì)因數(shù)(可以重復(fù))?
既然可以重復(fù),那么我們就挑最小的質(zhì)數(shù)2.
2的9次方是512,所以答案是9.