Lemma
EasyPrime numbers
OpenStax, Contemporary Mathematics §3.1 Prime and Composite Numbers · Example 11 · Number Theory · Prime numbers

Prime and Composite Numbers · Example 11

Find the prime factorization of 140.

~5 minWritten answer · compare with the solution

OpenStax, Contemporary Mathematics · §3.1 Prime and Composite Numbers · Example 11

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.