Multiples and Prime Numbers

Prime Number Games
In PrimeShooter you can shoot at numbers using that number's prime numbers. How good of a prime number shooter are you?

Number Cop! Use your first name only to log in. Click on other games and pick Prime Numbers. Then choose your difficulty level. Be prepared to run down some prime numbers!

Determine if numbers are prime or composite in the chart here.

How good are you at determining if a number is prime or composite? Choose a range of numbers and see if you can tell! Please pick a fifth grade range to work with, like 0 - 150.

Find the Least Common Multiple Games
How good are you at determining two number's least common multiple? Click here to find out!

Need a review of finding the LCM? Click here!

Games with Multiples (Basics Review)
Number Cop! Use your first name only to log in. Choose the multiples you would like to play with. Do NOT just pick the easy ones like 2 or 5! See how quickly you can do mental math to figure out multiples of 3, 6, and 9!

Blast some unfriendly ghosts in Ghostblaster! Pick a number (you can even pick numbers larger then 10!) and then see how many mean ghosts you can obliviate!

In Pumpkin Multiples, the mayor of Pumpkinville is dropping pumpkins into the pumpkin patch. Pick a number you'd like to find multiples of, and see how you do!

In Multiple Frenzy, pick the number you'd like to find multiples of (you can go up to multiples of 13 for a real challenge!) and then blast them out of the air as they drop!