Question

find the prime factorisation of each of the following number a. 160 and b.90​

Answer 1

Answer:

a. 160= 2x2x2x2x2x5

b. 90= 2x3x3x5

Step-by-step explanation:

a. 160÷2=80

80÷2=40

40÷2=20

20÷2=10

10÷2=5

5÷5=1

b. 90÷2=45

45÷3=15

15÷3=5

5÷5=1

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Answer 2

Step-by-step explanation:

(a) 160÷2=80

80÷2=40

40÷2=20

20÷2=10

10÷2=5

5÷5=1

(b)90÷2=45

45÷3=15

15÷3=5

5÷5=1