BBC9 年
KS2 Maths: Prime numbers, composite numbers and factors
Lewis Stinker: There’s a name for numbers that can be divided by other numbers: they’re called Composite Numbers – and the numbers they can be divided by, are called factors. For example ...
BBC7 个月
KS2 Maths: An introduction to prime numbers, factors and composite numbers
Prime Numbers are useful because they’re hard to find, especially BIG prime numbers, and Composite numbers with lots of factors are also useful: ever wondered why there are 60 minutes and a 24 ...