Write the prime factors of 12 , 20 , 35 and 16
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Write the prime factors of 12 , 20 , 35 and 16

[From: ] [author: ] [Date: 11-11-04] [Hit: ]
20, 35 and 16 can be written as multiples of then determine which are prime.......
I need homework help ! :(

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12 - 2,3
20 - 2,5
35 - 5,7,35
16 - 2

Ur welcome :)

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Prime numbers are only divisible by 1 and themselves.
Factors are numbers that you multiply together to get another number.

See what 12, 20, 35 and 16 can be written as multiples of then determine which are prime.

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12 = 2^2 x 3
20 = 2^2 x 5
35 = 7 x 5
16 = 2^4

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3*2*2=12
5*2*2=20
7*5=35

2*2*2*2=16
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