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30-01-2016
Mathematics

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Express 84 as product of primes

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30-01-2016

Primes are numbers that can only be divided by 1 and itself.

84 ÷ 2 = 42 ÷ 2 = 21 ÷ 3 = 7

2² x 3 x 7 = 84
2 x 2 x 3 x 7 = 84

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