Transcript Slide 1

Prime, Factor, Multiple,
Decomposition, Highest
Common Factor, Lowest
Common Multiple
What are perfect
numbers? Find the
only 3 examples
below 500
1) Complete the prime factor trees by decomposing 56 and 84
56
84
Learn all the prime
numbers up to 50
I think of 2 numbers.
The Highest Common
Factor of these
numbers is 12.
Give 3 possible numbers
I could be thinking of.
2) What is the HCF and the LCM of 36 and 50?
3) Which number can be decomposed to 3 x 3 x 5 x 7?
4) Bread rolls are sold in packs of 36. Burgers are sold in packs of
24. How many packs of each must be ordered so that there are the
same number of burgers and bread rolls?
The Lowest Common
Multiple of my numbers
is 1260. There are 3
possible pairs of
numbers. What are
they?