**Problem : **
Factor 924.

**Problem : **
Factor 4,725.

**Problem : **
Factor 245.

**Problem : **
What is the greatest common factor of 300 and 2,550?

**Problem : **
What is the greatest common factor of 30 and 16?

**Problem : **
What is the least common multiple of 30 and 16?

**Problem : **
What is the greatest common factor of 8 and 32?

**Problem : **
What is the least common multiple of 8 and 32?

**Problem : **
What is the greatest common factor of 12 and 385?