Thanks for visiting my online shop! Find out all about my prime factorization knitting and prime factorization t-shirts on my Sonderbooks blog! The idea behind the chart was explained in this 2009 blog post about my prime factorization sweater.

The good news is that via cafe press, I was able to design prime factorization t-shirts that use the same idea but do not take a year or a hundred dollars of yarn to make! I'm so happy to learn that other people enjoy them, too!

Prime Factorization Shirts

Prime Factorization Shirts
Prime Factorization T-shirts.
Chart on the front with 10 rows of 10 numbers and the color-coded prime factorization above each number.

For Super Geeks!

For Super Geeks!
For Super Geeks only! Decimal prime factorization chart on the front, Octal prime factorization chart on the back.
Prime Factorization Tote Bag
Prime Factorization Tote Bag
$16.99


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