Maths · Topic 7 of 44
Factors, multiples and primes
Factors divide into a number exactly. Multiples are the numbers in its times table. A prime number has exactly two factors: 1 and itself.
This lesson is in the 11+ Maths Study Book
Every Maths lesson is online with Premium, or when you buy the 11+ Maths Study Book (£6.99): then all your children can learn every topic on screen, with their progress saved. The first lesson is free for everyone.
Already have Premium or the book? Sign in.
- In Premium: from £9.99 a month, every Study Book lesson for all your children
- Or buy the 11+ Maths Study Book: £6.99, the printable PDF plus every Maths lesson online