The greatest prime factor of 75 is how much greater than the least prime factor of 81

Question

asked Jul 10, 2017 217k views

1 Answer

Sungjun · Answer 1 · 2017-07-16T05:13:06+0000

75 is 5*5*3 it's greatest prime factor is 5.
81 is 3*3*3*3 it's least prime factor is 3 .

so the answer is 2. 5 is greater than 3 by 2