Common Core State Standard
4.OA.B.4
Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1–100 is prime or composite.

CCSS: 4.OA.B.4
The factoring version of Math Tank Run. Complete the tank run by using your number factoring skills to figure out which mine is a dud. Complete all six of the increasingly difficult levels.

CCSS: 4.OA.B.4
The prime composite version of the popular driving math game Math Transport. Get 3 stars by driving carefully and loading/unloading the goods from the problem hoppers into/from the correct Prime and Composite trailers.

CCSS: K.CC.B.4b, 2.OA.C.3, 4.OA.B.4
Help Mathpup jump through the air with the greatest of ease to get the correct numbers. Select Even/Odd, Prime/Composite, Order, Counting, or Factors and start MathPup jumping.

CCSS: 3.OA.C.7, 4.OA.B.4
Mathboat is back with MathPup at the wheel. Use division or multiplication (your choice) to guide MathPup to the prime numbers.

CCSS: 4.OA.B.4
Incoming meteors! Protect your cities!. Only prime numbered meteors will damage a city. Use your knowledge of prime numbers to blow up the meteors that will damage your cities.