Maths Activities - Prime & Composite Numbers
|Prime and composite numbers
List the factors of numbers and identify which numbers are prime or composite. Classify numbers as prime or composite by the number of factors they have.
|Grid to show prime and composite numbers
Remove or show multiples of a number to see if it is prime or composite.
|Mallard Maths - click on prime numbers and multiples
Chose from even numbers, odd numbers, primes, multiples of 3 and 7, squares, powers of 2. If you're feeling really mathematical, test your wits with the random selection.