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TwigglePopz

you would just multiply the prime factor of 400 times 2 so it would be 2x2x2x2x2x5x5.


apologiabiology
since 400 times 2=800
we add another 2 to the prime factors
400=2*2*2*2*5*5
800=2*400
800=2*2*2*2*2*5*5

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