26 January 2016

FACTORS AND PRIME FACTORS

(1)  List all the factors and prime factors of each of the following numbers.

Number
Factor
Prime Factor
12


15


32


48


52


68




(2)  Circle the prime factors of each of the following numbers from the list of factors given.


Number
Factor
20
1, 2, 4, 5, 20
42
1, 2, 3, 6, 7, 14, 21, 42
28
1, 2, 4, 7, 14, 28
36
1, 2, 3, 4, 6, 9, 12, 18, 36
110
1, 2, 5, 10, 11, 22, 55, 110


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