New warmup & minor edits

.gitignore

@@ -8,6 +8,7 @@ __pycache__
 /output.zip
 main.pdf
 **/build
+*.pdf
 
 # TeX build files
 *.synctex.gz*

Misc/Warm-Ups/painting.tex

@@ -5,11 +5,6 @@
 ]{../../resources/ormc_handout}
 \usepackage{../../resources/macros}
 
-
-\usepackage[linguistics]{forest}
-
-
-
 \title{Warm-Up: Painting}
 \subtitle{Prepared by \githref{Mark} on \today.}
 

Misc/Warm-Ups/primes.tex

@@ -0,0 +1,32 @@
+\documentclass[
+	solutions,
+	singlenumbering,
+	nopagenumber
+]{../../resources/ormc_handout}
+\usepackage{../../resources/macros}
+
+\title{Warm-Up: Prime Factors}
+\subtitle{Prepared by \githref{Mark} on \today.}
+
+\begin{document}
+
+	\maketitle
+
+	\problem{}
+	What proportion of integers have $2$ as their smallest prime factor?
+	% 1^2
+	\vfill
+
+
+	\problem{}
+	What proportion of integers have $3$ as their second-smallest prime factor?
+	% 1/6
+	\vfill
+
+
+	\problem{}
+	What is the median second-smallest prime factor?
+	% 37
+	\vfill
+
+\end{document}