Would this sentence be correct? Is it okay to use the possessive on a number?

I am writing a formal document and I cannot use the name of the people I spoke with. For example, let's say I spoke to Peter. I would want to say: "Peter's statement demonstrates his understanding of genetics" Peter is Student number 1. Would it be correct to say: "Student 1's... show more I am writing a formal document and I cannot use the name of the people I spoke with.

For example, let's say I spoke to Peter. I would want to say: "Peter's statement demonstrates his understanding of genetics"

Peter is Student number 1. Would it be correct to say: "Student 1's statement demonstrated his understanding of genetics"
4 answers 4