Hello,(adsbygoogle = window.adsbygoogle || []).push({});

I was wondering, how does one go finding out if 2003^2004 - 2005 is divisible by 10??? Or that 3^102 * 7^29 is divisible by 33???

If someone could help me, I would really appreciate it.

Thank You.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Finding out if 2003^2004 - 2005 is divisible by 10?

**Physics Forums | Science Articles, Homework Help, Discussion**