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Divide the number by it's lowest prime factor possible continuosly until you get a one. The numbers will then be the prime factors.

For example: Take the number 66. 2 is the smallest Prime number and it is a factor of 64. So 66/2 = 33. 33 is not divisible by 2 so we take the next lowest prime factor: 33/3 = 11. 11 is divisible by nothing but itself and so 11 is the next lowest prime factor (remember we always need the answer to remain an integer): 11/11 = 1.

Therefore 66 = 2 x 3 x 11.

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12y ago
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Q: How do you express a number as a product of prime factors?
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