Multiples, Factors and Primes
Common Multiples
A video showing how to find common multiples between two numbers, including finding the lowest common multiple (LCM).
Challenge:
Once you've watched the video, see if you can find the lowest common multiple of a) 7 and 12 and b) 9 and 6.
Challenge:
Once you've watched the video, see if you can find the lowest common multiple of a) 7 and 12 and b) 9 and 6.
Common Factors
A video showing how to find common factors of a pair of numbers.
Challenge:
Once you've watched, see if you can find the common factors of 24 and 60.
Challenge:
Once you've watched, see if you can find the common factors of 24 and 60.