PRIME FACTORIZATION WORKSHEET

Find the prime factors of the following numbers by division method. 

1)  54

2)  144

3)  252

4)  625

5)  900  

Find the prime factors of the following numbers by factor tree method.

6)  56

7)  24

8)  50

9)  108

10)  80

Detailed Answer Key

1)  54

Prime factorization of 54 :

54  =  2 x 3 x 3 x 3

2)  144

Prime factorization of 144 :

144  =  2 x 2 x 2 x 2 x 3 x 3

3)  252

Prime factorization of 252 :

252  =  2 x 2 x 3 x 3 x 7

4)  625

Prime factorization of 625 :

625  =  5 x 5 x 5 x 5

5)  900

Prime factorization of 900 :

900  =  2 x 2 x 3 x 3 x 5 x 5

6)  56

Prime factorization of 56 :

56  =  2 x 2 x 2 x 7

7)  24

Prime factorization of 24 :

24  =  2 x 2 x 2 x 3

8)  50

Prime factorization of 50 :

50  =  2 x 5 x 5

9)  108

Prime factorization of 108 :

108  =  2 x 2 x 3 x 3 x 3

10)  80

Prime factorization of 80 :

80  =  2 x 2 x 2 x 2 x 5

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