What is prime brokerage?

A prime brokerage is an investment company that offers multiple products and services. Services offered often include lending and financing assistance, brokerage services, and investment advice.

120 is NOT a prime number because you can divide it by 10 and 5 and 2....

a prime number is "prime" because it's only factors are one and itself.

Prime numbers are numbers that are only divisible by 2 numbers (one and themselves), for example 13, 17 etc.

i assume you mean "factorization" in which case; prime numbers can be factored into one and themselved when you make a prime factorization usually using a tree of numbers for instance 12= 3*4; 4= 2*2...