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maths key words

median number that's in the middle when the numbers are arranged in order
mode highest number
natural numbers counting numbers
factors are numbers that go into the number e.g. 1,2,3,4,6 and 12
multiples the number of numbers are obtained by multiplying it by e.g. 1,2,3,4......
HCF highest common factor between two numbers e.g. 8 goes into 24 and 40 so its the highest common factor HCF
prime numbers is a natural number which has only two factors, itself and one
LCM the lowest common multiple between two numbers e.g. 8 and 10 the LCM is 40